I don't know if he's really banned or not. Regardless, there are certain safety issues here.
On multiple occassions, you can see him making Jack look at the bar with Jack's face inches away from the chain while the chainsaw is STILL RUNNING. It literally takes one flick with your finger to turn the chainsaw off, and it's super easy to start back up.
Striking his head multiple times with the chainsaw blade to demonstrate kickback. The chainsaw chain is still SHARP! Could have caught himself in the face.
Spreading false information about poly hard hat. They works just as well if not better than the aluminum hard hat. Go lookup professional fellers on Youtube and see what they wear. Metal hard hat is a nostalgia thing for a lot of West Coast loggers, I get it. But don't shit on modern stuff.
One of the theories I've seen that makes sense is someone in the comment section mentioning that he could have been doing this on Federal land, which causes huge liability issue. IDK what got him banne ( IF that really happened). From the video of him teaching Jack how to shoot, I'm not surprised the USFS doesn't want a know-it-all, unsafe guy with a huge ego with them.