People really hate elves in the DAverse (sucks to be them when ELVES RECLAIM THEDAS. GLORY TO THE ELVEN EMPIRE)
Ahem..
So, I can see how he is an easy target.
He is very serious, he doesn't smile much, he can be a tad hypocritical in some of his party banter, he's pro-mage (which is another unpopular opinion), he doesn't like the Grey Wardens (which a lot of people are biased towards because of their love of their HoFs)...
Sorry to bring this post from the dead but!
I'm kind of trying to wrap my head around how people can excuse the Gray Wardens for what they did in Adamant so easily.
Yes, I felt horrible seeing Alistair's face frown when I exiled them but a) they are susceptible to Corypheus' mind-control-**** - this caused them to sacrifice the Divine,
they scarified their brothers and sisters out of obsession to the blight out of their own volition (under the pressure from the calling), c) demons. Just.. Demons. It's obvious this is a bad idea!!
I feel that because of the fact the Gray Wardens starred it the first game that people love them, this game also made people hate elves and mages I think
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Less relevant but:
In my first PT my dwarf was in romance with Blackwall and decided to keep the Wardens around, she had no firm opinion of the Gray Wardens, except for the fact HoF was a dwarf (my canon) which made her proud, her pride made her very hesitant to rid of them, and she didn't want to isolate Blackwall.
My second PT my Lavellan exiled them, she was head over heals for Solas and was obsessed with his advice and expertise, I suspect she always wanted a mentor but felt she didn't find one at the clan. Solas was also her first love.
My current Lavellan is an independent thinker, and thought about the decision thoroughly before making it, she decided to exile them. In her regained memories she saw the Wardens sacrificing the Divine, and then heard how Alistair defended them, explaining that Corypheus was controlling them. She doesn't despise the Wardens (like Solas does), she respects their sacrifice but feels like their obsession makes them act irrationally. Also, she doesn't want the Wardens around in case Corypheus pops up, it could lead to a lot of death. So she exiled them. She had one or two lovers before Solas
I like her the best because she is very independent and gives a lot of thoughts to her actions.
This is how I see it as well. Lying is what Blackwall does. Solas just... doesn't tell you the full truth.
Ughhh, I'm having so much hard time with Blackwall right now, because of that. I recently finished Here Lies The Abyss and he protects the Gray Wardens so passionately and I'm like "YOU DON'T KNOW WHAT YOU ARE TALKING ABOUT YOU FAKE-FAKEY-FAKE-FAKEAROUNI-FAKER".
In fairness, there are times when even my romanced Quizzy would have had some major arguments with Solas. He can be very short and use some pretty provocative language, like when he calls Bull "a mindless beast", or shoots down Dorian for asking him questions, or telling Sera that she's not what she should be.
Or Varric, "child of the stone". Did Cole's quest yesterday, I forgot about that. I kind of quietly raged everytime he spoke to Varric with his condescending tone. Yes, you do know more about spirits, but don't be an ass 
I did not like Vivienne at all in my first 2 playthroughs, and I refused to kill the white wyvren for her, but third time is a charm and I did her missions and got to know her a little more and now she's not so bad.
I feel like people who don't like Solas haven't given him a chance. It's kind of hard to like a character you ignore.
I always did her quest, but for some reason I got the scene later (with Duke Bastien's son) I disliked her even more. She used this as leverage and well as to try and influence someone who can make her Divine. I love her as a character, I hate her a person
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Alsoooo
I've seen throughout the 20 pages I now read that spoilers have been leaked.
I haven't looked, I don't want to be spoiled, so people.. please be considerate.
Even reactions to spoilers - not cool :/