Like you, I put in around 25 minutes. There seems to be two versions of Joe. One seems to be a non-doped-up Joe who can marginally handle a public occasion, and another where Joe has simulants of some type.
As for the infomercial accusation...yeah, it was a bit comical and obvious that it was a friendly audience. Maybe this is a Putin-developed plan?
Although it IS Joe. We should probably be impressed he didn’t give the “is it Trump’s fault he got COVID?” answer to the police question. Probably had an earpiece to remind him.