That was one of my point earlier on.
Trump burnt so many bridges with his extremism that his visibility and support will be limited once he leaves the WH, basically to his hardcore base in rallies and on second hand media like OAN and Newsmax that will rehash BS no one else will give a about.
You don't win an election with your core vote but with undecided and swing voters. He lost this election, as an in bent, by 7M votes, meaning many people have turned away from him... With much less visibility and attention other than his trumpers, it's only gonna get worth.
For 4 years, the number one daily conversation topic was Trump, because of him but mainly because he was POTUS. The day he leaves, people will move on. It won't even be that funny anymore to trash him, like an old, overused joke.