Ah, sorry, I misunderstood. I thought you were asking if they had usernames that could be used in lieu of a phone number as a contact.

Yes. For quite a while now.

There will always be echo chambers of idiots. Twitter is more or less that already.

I haven’t seen anything to signal Mozilla is untrustworthy other than from that one right wing guy with a chip on his shoulder.

Never, because Chrome is a data harvesting platform.

You probably won’t, since Bandcamp has been available this entire time.

Try LibreTube. Or Firefox Mobile with Ublock Origin. Or one of many other solutions. You don’t need to watch YouTube ads on Android.

Ah yes, the good 'ol days of RedTube.