He is getting increasingly nasty and focused on the republican candidate and republican voters as being enemies of the state and of its generous charity and welcoming mat to the world, portraying his opposition as a dangerous, even traitorous element within America.
So I’m guessing his remarks will be very dark and hint of sinister forces opposing him and America.
Many people with dementia become more extreme in whatever characteristics they had before the dementia. Biden was always a nasty man.