“Some” in this case make up over 70% or so of his collection due to sexual content. I think that hits the demonetized territory.
2. "Demonetized," when describing a YouTube channel, means one thing and one thing only: that the channel has been kicked out of the YouTube Partner Program.
I don't know why you would adopt your own, materially-different, definition of a word whose definition is widely accepted. Doing so creates unnecessary confusion, and — particularly in this case — is highly misleading.