The explanation is that conservative boomers are very, very well versed in gaslighting, enforcing reality denial on others, to keep themselves from ever having to entertain the the idea that they were ever wrong about anything, ever.

… and if they were wrong, it wasn’t a big deal, and if it was a big deal, then you deserved it, and if you didn’t deserve it, then it doesn’t matter in the long run because in the long run we are all dead, etc, ad infinitum.