I'm not so sure. I talked to some people who knew about threads, a couple even had accounts. These are not tech oriented people. Moreover, I quite often see memes/screenshots of bluesky posts right here.
Make of that what you will. I have no numbers or anything, but it seems like they're not as dead as we might think.
The problem with most USB c earphones (which are not super expensive) is that they sound like shit because they have a cheapo small DAC (digital to analog converter) in them. Our phones - most of the time - have decent enough DACs, at least had them when they had the 3.5 mm jacks
How much vram does alyx need? Wtf