Yet that seems to be precisely who they're targeting.
The only benefit Firefox now has over Chrome is a vague political notion of not using Google-made software, something that there isn't enough call for in the real world to drive significant marketshare. Their real differentiation was sacrificed on the altar of ease of development, and now what we're left with is an also-ran, in multiple meanings of that term.
Worse, an also-ran that's doing increasingly arational things, almost as if they're wildly groping about for the mythical marketshare.
If you design your thing for the average user, it won't work well for any user.