If you look at someone else and what they believe seems whacked, you have multiple choices:
You can think they are nutty. You can think they are evil. You can think they are stupid.
Or you can try to understand.
And, understanding does not require agreement. However, it does require spending more time listening than responding (especially arguing).
If you want to understand MAGA-world, this thread of tweets is worth reading:
I think I've had discussions w/enough Boomer-tier Trump supporters who believe the 2020 election was fraudulent to extract a general theory about their perspective. It is also the perspective of most of the people at the Capitol on 1/6, and probably even Trump himself. 1/x
— MartyrMade (@martyrmade) July 8, 2021
Although I would recommend clicking on that tweet and reading the thread that way (to avoid additional commentary), Twitchy pulls them all together in one page here: