I say a million times yay for the first few seasons which were catchy, full of inuendos, had Stewie as an evil genius, and it focused so much on Peter messing up and then having to make things right.
As for the newer seasons: fuck them. Seriously FUCK THEM. I don't know what happened, but Seth MacFarlane seems to have gotten the impression that just because his show was brought back, that we all wanted his show to revolve around his political and social beliefs. He turned Stewie gay and focused so much on Brian; and that's where it went off the rails. I hate Brian. He's grating, annoying, and so self centered. I just hate the way his views (aka Seth's views) have become the focus of several episodes. I don't care! I want to see Peter being a complete idiot all the time! I don't care about Seth MacFarlane's attempt to force his views on us using Brian as a mouth piece. I honestly don't care about Seth's views on pot, gay marriage, guns, reilgion, etc. That's not what made people love this show. That isn't what made them buy DVDs of the show like they were going outta style. That isn't what people want.
But what I hated the most was the Vietnam Memorial joke they made in one episode. That pissed me off more than anything. It wasn't funny and the fact that it aired one week before Memorial Day and then was aired on Adult Swim on Memorial Day is just down right offensive.
Seth dropped the ball. He got high on himself. He messed up. Watch the first few seasons and you'll see the genius that was lost.