They’ve been shutting off comments, probably for liability reasons (and also, to avoid false flag commenters who would bring them under scrutiny).
Several sites have cut off comments lately, or restricted them to private, paid subscribers.
Double edged knife. It cuts both ways.
https://www.youtube.com/watch?v=6VZhSkREYBc&list=LLGJ1epRmIV_7IAWgvo8y3mw&index=425