Attempts to rationalize Trumpism ended years ago. It turned into a concerted effort to construct an alternate reality where everyone else is just as bad.
Yes, it still boggles the mind of normal people, but it is real. They will still vote for him a year from now if he is the nominee, despite his admissions that he will destroy the constitution and everything that would represent.
I stopped being incredulous about it a couple of years ago. What we see is what we get.