Personally I think that’s a stretch, but I’ll admit it’s a possibility. I’m not claiming to have the answers on this subject, just trying to objectify the premise put forth by the OP.

You make a good point though! There are definitely a non-zero amount of productive hours resulting from his videos, just as there are a non-zero amount replaced with his videos. It would be fascinating if there was a way to quantify this, but it’ll likely forever be a philosophical argument