Upside Risk to Trump

I've always said there was a chance Trump could end up being a really good President, and also a chance he could destroy us all. Wasn't worth the risk to me, but at least I'll acknowledge his outside the box approach could work in some cases.

So, if he somehow denuclearizes NoKo and they have McDonalds on their streets (I'm skeptical for the record), that's an objectively greater accomplishment than anything Obama did, right? And I've heard people say Obama was the greatest President ever. So...