He blames Bush for Obama's drop in approval ratings!

I discovered on this comment on YouTube (http://www.youtube.com/watch?v=UZkvkLmkYVg).
Show all comments to find:

"obama's the best president we've had since lincoln. his approval rating has dropped because of how fucked up bush got us and people want to see change over night. get your head outta your ass fuck nuts and smell the coffee. if you wanna be a stuck up p.o.s, then maybe you should have voted for that fucking loser mcbitch and slutpalan!!!!"

So Bush is responsible for Obama's approval rating to drop. Who is president anyway?