And the "us" vs "them" mentality. It's much easier to fall into for smart, sane people when they're surrounded by other people doing the same thing. After all,

And the "us" vs "them" mentality. It's much easier to fall into for smart, sane people when they're surrounded by other people doing the same thing. After all, if it's so nuts, why doesn't Joanna / Bob quit?. Social proof.