To me it’s not end of the story that’s the point of this, but the idea that when you are more social and engaged with different ideas your mind is more creative and energized and flexible. And there are other times, especially as you age, where you are more isolated and your mind slows and gets trained into rote thoughts. They may or may not be the same ones you started with, and they may be well earned and refined thoughts from a lifetime of experience, but stripped of the complex context they arose in, they are still just a simplistic starting point for the next round.
Why is he explaining anything. I think his team want him to lose our they are terrible at their job. Find someone in the administration, or more than one, who can talk and engage with current concerns and at least act like they’ve been listening to people outside the White House, and get them on tv and maybe we can get excited to vote for the administration if not the candidate. Pull in all of the big tent voices and dnc stand behind them as the many possible futures of the party you are voting for and could continue to haggle over in contrast to the one orange king party. Biden can stand on stage waving goodbye for 4 years, idc. The difference is, when Trump gets that bad, these other voices won’t be there anymore and he won’t be saying goodbye.