1. The only source that mentions Templars ever entering the Dales is a Dalish codex entry about the Fall of the Dales that is so abreviated, it is almost certainly talking about the Exalted March itself. It only mentions that templars were sent after the missionaries. It says nothing of what they did there. It then immediately says the elves were driven from Halamshiral, as if the templars were the reason for it. Ergo, if they were, then it must be during the Exalted March.
2. The epilogue says that Brother Burkle's Chantry attracted many converts, so obviously they weren't a tiny minority. That's exactly why the Assembly passed laws to restrict their rights. But even if they were, so what? Are you actually saying its ok to persexcuate a people if they are a minority? Are you saying other races laws should always be defended, even if they restrict the rights of their peoples?
3. The Chantry kills any other missionaries? Name any examples.
4. The Qunari is ABOSLUTELY not doing the same thing as the Chantry. The Chantry sent peaceful missionaries to another country and they were expelled. As a result, relations worsened between the Dales and Orlais. Eventually war broke out. Intially the elves were winning but then Orlais turned the tide when the Divine called upon more people to join their fight. The Qunari Wars were totally different. As soon as as the Qunari arrived in Thedas the FIRST thing they did was go to war with the natives. Their first contact with the humans of Thedas was a massive contintent-wide invasion that subjugated a third of their territory. The Qunari's first, last and only way to truly spread the rule of the Qun is by force. They do not and have never sent out peaceful missionaries. Meanwhile there are many cultures that live on the edge of Chantry rule that aren't Andrastian. Has the Divine ever called an Exalted March against the Avvar or Chasind or Rivaini pantheists?
5. The elves are treated worse than the castless? They really aren't. You should play the origins again. Dalish are not treated as "vermin." Occasionally they even trade with human settlements. They are chased off if they stay near human habitations for too long but the templars or any rabble usually leave them alone if they leave the area. City Elves have it worse, but Castless are the only ones who have live a mostly miserable existence. City Elves are less poor, have more rights and are able to find more joy in thier day to day lives than Castless. Even the human nobles have less contempt for them than the nobles in the Assembly of Orzammar have for the castless, when Loghain was selling them into slavery it was a scandal because they were still Ferelden citizens.
6. You don't know the reasons that the Right of Annulment has been invoked for or that it's becoming more and more common over the years, because it doesn't say anywhere. You don't even have much of a reaosn to think that most of 17 times it was invoked over the last 700 years were necessarily unjustified.
7. The Codex says the mages were the Chantry's greatest weapons agains the Qunari, not that they were the Chantry's only hope for surivial. Brother Genetivi seems to describe them being used in the Exalted March. The first of the three Exalted Marches against the Qunari was called in 7:25 Storm. By this point the Qunari invasion had already been halted and the humans spent the last 50 years pushing them back. But They had reached a stalemate and the Chantries called them in order to liberate the territory still controlled by the Qunari.
1. The same source which you agree is ambiguous says the missionaries were refused so the Chantry sent in Templars, I can equally conclude that the Chantry sending in the Templars because the Elves sent away the missionaries was seen as an invasion by the Elves so they retaliated by attacking Red Crossing, so it was the Chantry that started the war.
2. No I don't think it is ok to persecute a minority and think that the Dwarves were in the wrong, but at least they allowed an other religion in there lands and allowed him to preach and try to convert there people, which is more then the Chantry does they refuse any other religions in their lands and they will kill their own people who do convert to different religions.
3. The Chantry kill Old God followers, Dragon Cult followers, they slaughtered the Qunari converts in Rivain because they had converted and buried them in mass graves. they annulled the Circle in Rivain because the mages their were seers and practiced their own religion.
4. The Chantry has declared exulted marches against Tevinter because they laughed at a divines death not because of blood magic. they slaughtered the Qunari converts in Rivain and also annulled their circle because they followed a different religion. The Chantry see non Humans as lesser and believe that the chant of light must be spread to all people and races for the Maker to return so they are just like the Qunari in wanting everyone to convert even if they have to use force.
I would also say the Chantry are just like Tevinter, both allow slavery in their lands, both have a Divine, they both see and treat the Elves the same, they both declared war on the Elves and after beating them destroyed their culture and religions wiped out their citys and enslaved their people.
5. The Elves are treated just as bad as the castless if not worse. The castless have a chance to marry an other caste who would then take their whole family in to their family and some of the children born to that couple get the new caste, it is still wrong but a lot better then what the city elves have.
6. I don't know about many of the rights of annulment but all are wrong the murder of every man woman and child in a circle because some others did something the Templars don't like is disgusting and how people can justify it is beyond me. How is the Seers of Rivain being a different religion grounds to murder every member of a circle. How is the murder of children and mages that are the only ones actually preventing demons from escaping the Fereldan circle justified.
7. It was the Tevinter mages who broke the main Qunari advance before the exulted march was called and they were a match for the Qunari advanced weapons, the Chantry also keeps the circles to use against Tevinter mages as well.