It is not clear why you put this argument, though I would insist you have to have pretty good game understanding to follow Lein or curent Imm/Deity discussions ))I think you need at least a basic knowledge of Civ to properly follow them
It didn't work in my case. First you have to identify that "something".What you can learn from watching his videos is that he makes decisions for based on SOMETHING.
NC games facilitate progress much better, when you can check against others progress. In NC threads people reason about the situation, discuss key points.