Yeah that's definitely an interesting concept, but I don't really see Evil Dipper caring about wealth, I think it would be a lot more interesting if in the alternative universe, Dipper became evil because he was tired of everyone disrespecting him from calling wimp or even Robbie just being a jerk, so he took over Gravity Falls to make everyone feel his pain. I thought that that would make Evil Dipper a different villain from Prime Gideon.