I actually appreciate stories like this because it shines a light on the fact that anybody is capable of being an unstable lunatic. Trump cultists are not actually always "blue collar." That should actually make us even more terrified when they are in occupations like this.
I think it was clear to everyone who paid attention in the immediate aftermath of 1/6 that the participants (both violent and non-violent) represented a broad cross-section of (white) America. These were people who traveled from far and wide to participate in a political event out of their own pocket, and many were staying in luxury hotels.
