"It’s the billionaire class warning him to knock this shit off." I'm pretty sure the oligarchs threw their weight behind the fascist in the end was in hope of getting a 2007 style crash where they could buy up what little they do not already own for pennies on the dollar.
The fascist destroying worker rights (hell, anyone but CIS Het white men's rights) and setting up an army with no oversight was just gravy for them all.