Because the Republicans currently have the support of something like 20% more of the population than the NAZIs did when they seized power.
Remember, unlike folks who believe in democracy, tyrants don't need a majority to win.
This is an extremely dangerous time for liberty in the US, and complacent attitudes like yours are only increasing the danger.
ITT: folks who think Linux is too complicated or whatever, but are perfectly willing to jump through endless hoops to work around some of Windows' deliberate hostility.
The Stockholm syndrome is real.