OK, if you have not seen it yet, check it out:
It's like he has no filter. He just spits out things thinking he's being witty or folksy. Well, he IS, but it just comes off all wrong. Like he's an aging hereditary leader who is there for the ceremonial purpose.
We all know how Trump is going to be treated by historians - they will wallow in their disdain for The Orange Monster - but it will be a very interesting thing indeed to see what on earth they will write about Biden. He'll probably end up in a trivia question with Pierce and Fillmore someday.