The thing he fears most is being ignored. Just do it.
Because we (Americans) enjoy it, it’s entertaining, and fundamentally we hate (or at the very least are troubled by) people who we perceive are getting some benefit we aren’t. Americans in particular are also heavily propagandized so they tend to accept racist ideas as normal vs unifying along class lines and pushing back as a large group. Racism makes us very easy to rule:)
The question is what exactly we're supposed to do about it.
Rejecting his products is something everyone can do. Rejecting his overpriced shares is something everyone in a position to do so can do.
Because you elected a convicted rapist as President?