To get rid of the annoying YouTube message (ad blocker are not allowed on Youtube) use this custom filter in uBlock extension
- Open uBlock extension dashboard
- Open my filters tab
- Copy & Paste this code into my filter
- Apply changes and close all tabs
via: enderman
They simultaneously introduced this ad blocker change and took away the $5 no-ads package.
This is a shakedown and it's been happening across many streaming platforms for a while now.