

I’m not the guy you asked, but I assume they do as I do. My system volume is calibrated for all the various applications I use day to day, including video conferencing. If I have to adjust that, it means everything else is the wrong volume. I’d rather modify YouTube to be the right volume than everything else.
Lots of people downvoting you apparently love censorship. Probably only when it censors things they don’t like, of course.