We got a long way to go to completely tarnish his reputation, before he can no longer get high dollar speaking gigs, book deals, movies etc. I doubt that’ll ever happen, but things seem to move quickly these days, so I’d love to be wrong.

Dude, pretty much every media outlet still refers to him as President Obama.

You have entire generations of Americans who think this guy was (and forever will be) the best president of their lifetimes by a huge margin. You are going to have to wait at least a couple more decades before his 'official' reputation takes a hit.