I haven't really met anyone who is particularly bothered by these issues. They certainly should be addressed to some degree, but the issues I find people are bothered about in Firefox are something that Mozilla has very little control over: Bugs in sites. As a full-time firefox user, I commonly find that sites have bugs, and when I boot it up in Chrome just to check my hunch, they don't manifest. It's pretty easy to…
I also have a big issue with their handling of webm/webp. There was one single guy at Mozilla killing that for years - may still be - despite heavy demand for support.
Both were really disheartening because it showed that Mozilla had lost its fight and had become so complacent that it didn’t even feel the need to match its competitors much less try to lead.
On the flip side Chrome has now become so comfortable with their position that their users are more of an annoyance, which lets them do very unpopular things like pinching off all of the ad blockers. This is where Mozilla could make a comeback because I think a lot of people (myself included) would take another look at Firefox if that is what it took to keep ublock and ghostery functioning.