I'm sorry OP but I really can't tell if you're serious or if you're just trolling the hell out of us because if it's the latter, you're doing a damn fine job.
I don't think of bananas immediately when I see yellow, I just don't lol. No it's not psychological either; if someone has never seen a banana that won't be their first reaction.
The newer games are way better. In B2W2 there's some music I could just listen to for hours and not get bored. The 8bit stuff is nice sometimes, but it's not something I could actively listen to like some of the newer music.
As for graphics, well that pretty much speaks for itself.