I use ubo, firefox, ddg and a pi-hole, and haven't noticed any issues with youtube. However I tend to do youtube while signed in, and I also consume youtube on

I use ubo, firefox, ddg and a pi-hole, and haven't noticed any issues with youtube. However I tend to do youtube while signed in, and I also consume youtube on my phone, perhaps they are happy they push enough adverts to my when I use a phone that they ignore the browser use.