Demonetization is when a platform (YouTube, Meta, TikTok) decides ads can no longer run on your content, or that you no longer qualify for its monetization programme, usually based on opaque policy or algorithmic flags. Your videos still exist; your income does not. hashtag.org's answer is to put the audience and the monetization on a #Name you own, not on a channel you rent.
Creator economy & platform risk
Demonetization
When a third-party platform blocks your ability to earn on your own audience.