There seems to be a total lovefest for this anime, which is mostly because Touma fans were too happy that Touma "won". In the end, I watch anime to enjoy it, not to get enraged by it. Well it's been a long time since the last time I gave a score as low as 4/10.
What are you talking about? I for one love Setsuna and I'm pretty sure that most of the people who've watched and understood what it's about will definitely agree that the story developed their characters (the 3 of them) very well. Apparently, you hate the anime as a whole because you hate the ending as it was rather dramatic and stupid leaving a bitter aftertaste, but this is what happens when the characters are lifelike - they are flawed, which is every human being in this whole world, including you - which makes it great. If you want to watch something that has everything heavily stacked up against them and would magically be overcoming the odds with a happy ending then go watch disney movies.
And oh you like SAO, no wonder.