I think he sees the dark times that are coming, and it’s hard not to be changed by that. I also think that he thinks that it’s his job to warn people about what’s coming, because the LSM sure isn’t.
Glenn isn’t “seeing” anything. He thinks himself a prophet. They call people like that “CRAZY”. Glenn is off his rocker. Can’t you see that? CREEPY! WEIRD! CUCKOO, CUCKOO, CUCKOO.
And his sycophant cohorts agree with him because he PAYS THEM very well to do so.