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
Are adblockers even illegal? I didn't think it was.
No. It's up to the browser (and even above it, the user) how the data is displayed.
I guess it's against YouTube's terms and conditions.