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
At the end there will always be some way since to the user the text should be similar or the UI should be similar... So there will be always a way... But yeah it can get more complex.
The only exception is the case they implement the web integrity thing at browser level or equivalent.