If you could see a competent politician from a South American country, but didnt know Spanish, you would perceive the speaker was on his game, with the way he looked around and at you. This is Biden, with what he thinks is English.
It’s really not funny. Those with cognitive issues as this often don’t realize they’re off the mark and will just continue to chit chat as they believe they’re engaging with you. And even when they know they’re not completing sentences they keep going hoping you didn’t see it.