Maybe it has nothing to do with the voters directly. This might frighten some of the backers who thought they would remain anonymous. When you shine a light into a dark corner, the roaches scatter.
If we think that those in power don't also have secrets and skeletons then perhaps we're not thinking at all.
Instead of trying to play kill the character all the time, we should be focusing on pragmatic solutions to domestic and regional problems. But that would require people not being afraid of cancel culture and politics not being so toxic that good people stay well away.