Yes, I did start using PIped and Invidious on my browser and installed Newpipe in my phone. Tho there are some drawbacks, it is much better than using Youtube directly after I heard about them planning to block adblockers and removing recommendations for signed in users with watch history off.

Woah, email aliases is the perfect solution for this! Thank you very much!

yeah you are right

Also, is there a preferred way to create a Firefox account? I don't want to enter my personal email, and adding a disposable email may lock me from this account if it asks for verification later on.

Fixed 'all'. I tried to acknowledge that there may be other languages that may not follow this rule, but I seem to have not noticed this mistake.

anything *.google.com ?

Yeah, pretty much it.

Is your default container the one with the Google cookies?

I personally haven't found a way to make a container default. I just have a separate container for my Google accounts and other accounts connected to it.

Thankfully I found the solution to my problem by using Temporary Containers