Right, here's something I htought of while reading this topic. It didn't hit me at first, until I was playing a new ME1 playthrough (Soldier/Spacer/War Hero) who makes some Renegade some Paragon choices. In ME2, the Rachni Queen's emissary informs us of the whole 'indoctrination' thing. Problem: The Rachni Queen didn't know anything about why her people did what they did in ME1. Now you can blame it on the writing. Without the complete trilogy, we can't know for sure if it's a problem with the writing. But I think the most pragmatic thing to do is ensure the Rachni can't return.
On my 'idealist' playthroughs, I'll hope, but if it turns out badly, all I'll have to say is 'lovely' in a sarcastic tone. Luckily, most of my playthroughs have some Renegade to them, if not completely. But I'm attempting a Renegade playthrough soon where it doesn't equal 'xeno-phobe' and saves the Council. (Just so I can ****** off them and Udina in ME2).
Also, for the record, I find it hilarious that people on these forums are always going on about the paragon/renegade system. In case you haven't realized it, both were meant to be so Shepard's still the good guy. The only difference is how he goes about doing things. Paragons help everyone they can and do whatever they can to be a mediator. Renegades, on the other hand, have a more pragmatic and logical viewpoint. They take what they know, investigate, and decide after hearing the thoughts from their team mates. When it comes to things like the Rachni, it's difficult because you think she's being honest. THing is, ME2 suggests she was lying to you. We'll see what happens in ME3.
Let's take a look at this whole 'morality scale' that, quite frankly, is a fan creation. We think it means a morality scale, but in truth it's just showing whether the character is a realist or an idealist.
First time it shows up: Cole on ME1. We either do a mediator's style and suggest Powell might have had something to do with the attack, or we do a simple action with the same results, but which fits the style of, say, a soldier more easily.
Going down the road, we have the warehouse workers at Fist's office: we can either say, 'Is Fist really worth dying for?' as Paragon, and 'I just killed 50 people (exageration, by the way) to get in here. What do you think I'll do to you?' Both have the same outcome, just different results.
Continuing on: Therum; we have Liara, and are confrotned by a Krogan. We have two options of trying to talk the freaking lizard down or one single option of 'get this idiot out of our way!'
Noveria: We can help out the IA agent, hand the evidence over to Anoleis, give it to the person who we originally meant to get it for, or orchestrate the death of Anoleis and the IA agent. The final option is your ultimate Renegade, which deals with two difficult people for you, but takes the longest. The first also takes the longest and is a Paragon option. The middle two are lesser choices on the same scale.
Feros: You can either kill Jong, who is being a corporate power-monger, or you can convince him via either Charm or Intimidate to help the colonists. Than you can again choose whether to use the gas grenade, or stick with what you know to be tried and tested. Shiala, you can either trust, or decide to kill due to her own actions and decision to follow Saren. Remember, this is a comparion of 'on the information available at this time'. At this point, we don't know Sovereign is anything more than a ship.
Virmire: you can either help out the STG team and your squadmate by dealing with the fliers and the guards in the building, or you can ignore the refueling station and flush the guards to the other side of the compound. THan you get to choose who to keep: Ashley, a possible LI or just your weapons chief; or Kaidan, yet again a LI or best friend, depending on your character's sex, as well as being of a higher rank and therefore more valuable in the eyes of the Alliance military. For those who romance Ashley, they'll choose her. For those who don't, it's a simple choice: rescue the person who is continually passed over for promotion, despite no fault in her own record, or choose the officer with over a dozen special commendations and a very powerful biotic ability. To me, that choice is simple: Kaidan. Also, despite her protests, Ash is definitely against Aliens, so unless you're playing a xenophobic Shepard, she's not worthy of being on your crew. Quite frankly, they should've given us the option to get rid of her once we became the commander of the Normandy. I don't ever use her, and make sure she's guarding the nuke.
Now, Mass Effect 2 is a different story, but it's still got the same basic idea. Charm or Intimidate. Charm takes a little longer, but keeps you from acting like a douche. Intimidate gives the means to either threaten or outright commit a violent act. Now the markers to perform a 'BOLD' action of either Renegade or Paragon means it's not the 'usual' one. Also, a point to be made: a 'douchebag' Shepard in LotSB would not use the Charm/Intimidate option (in red for those who don't know what that means), but rather choose the bottom option on the right hand side, which states: wound hostage.
Quite frankly, the forums are nothing more than a hive of people who are so obsessed in seeing this game as something to plan out that you forget what the entire purpose of an RPG is: to role-play. Whether someone chooses the Renegade more than the Paragon or vice versa is their decision becuase it's their role-play. I could call the Renegades a bunch of useless douche bags, and the Paragon players a bunch of sappy idiots who remind me of the 'evil Dr. Rogers' on Demolition Man. But I don't, because I play both kinds. I like them both equally. They have their good sides and bad sides. The Paragon helps a lot of people, but that may be detrimental to the final battle, especially to Earth, in Mass Effect 3. The Renegade works as quickly as possible, evaluating what can and cannot be done to ensure the best result. This can be a good thing, but it may end in the deaths of squadmates in ME2 and possibly ME3.
In regards to Revya's comment about the whole 'evil bug race cliche': I know what you mean. Every time I fight the Rachni, I'm reminded of Starship Troopers.