This is specifically about Trump, but perhaps more generally about how social media's displacement of blogs has made the discourse dumber. Forced to become a blogger rather than a tweeter, Trump isn't keeping an audience.

Trump is sliding toward online irrelevance. His new blog isn’t helping.
The former president’s aides said his new online empire would “redefine the game.” But his heavily promoted blog is seeing fewer visitors than the pet-adoption service Petfinder and the recipe site Delish.
washingtonpost.com