Trump's immaturity when it comes to accepting responsibility
HYis supporters appear to mirror that immaturity. Their vitriol on social media is like taking a dive into a cesspool. The act like they want to try to defeat the Democrats with a fraction of the Republican party rather than uniting against a common foe.
The mogul seems to want credit for starting a movement but simultaneously wants to avoid any blame for the uglier elements that have been nurtured by that movement.