Arson is not protest. Arson is a VIOLENT type of activism, which is legally classified as terrorism.
Trump (or anybody) shouldn't be allowed to punish folks for speech or peaceful protest. Unfortunately, folks are calling VIOLENT acts like arson and battery "protest", and threats of bodily harm "speech" ("harassment" or "assault" under most US criminal law) -- we should be in favor of the government stepping in to protect people from arson, battery, and assault/ harassment.
> he did not give in to the illiberal demands of the left to chill speech post-2020,
Roth has been president since 2007. What was his response to Nick Christakis's struggle session (plenty of video of that) or Erika Christakis leaving Yale, after she penned an e-mail that students should be able to handle Halloween costumes they find offensive?
The American Left has been illiberal and going after speech for decades; it didn't start post-2020.