There’s been intermittent discussion of the nature of trump’s quasi-charisma in this thread:
Search results for ‘charism’ in that thread. There’s more back and forth nearby these posts that don’t user the terms “charism…” but are still on point about his (highly poisonous) secret sauce.
Some of these posts are recent enough that that might be the place to take that discussion rather than here. Or open yet another “why … about trump?” thread.