In the 2020 presidential election cycle, more than $14bn went to federal candidates, party committees, and Super Pacs – double the $7bn doled out in the 2016 cycle. Total giving in 2024 is bound to be much higher.
That money is not supporting US democracy. If anything, that money is contributing to rising Trumpism and neofascism.
The rich also had no problem to fund Hitler - they thought they could control him - you all know how that turned out…
Some (most?) of them probably didn't care as long as business was good.
I would not at all be shocked if Fred Trump was one of them.