https://www.salon.com/2018/10/12/republican-voters-dont-care-about-trumps-corruption-and-heres-why/
the likeliest reason for this willingness of Republican voters to indulge all sorts of wicked behavior in pursuit of power is that they've convinced themselves that the "other side" does it just as much. It's an attitude called "what-about-ism,"
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This disparity, I think, points to one reason why conspiracy theories tend to proliferate more on the right than the left. In the absence of real corruption and crime among Democrats or leftists, conservatives instead rely on conspiracy theories to justify their continued belief that Democrats are just as corrupt as Republicans, if not more so.