“Why does anyone give even the tiniest crap about what Twitter dude named Lars McMurtry said??? “
Because his thoughts represent what some other people think. And his thoughts line up with atrocities committed in the relatively recent past.
We said after WWII never again
In a country of 330 million people, it’s pretty safe to say that every crazy idea has multiple adherents. But unless the numbers are truly large, or the adherents are significant...why care?