Precisely this. I've not even used WebUSB, but while reading this post, I was reminded of similar pain points with Firefox. I found myself thinking of what browser I could switch to while reading comments before finding this thread. I'm a long-time die-hard Firefox user as well.

I've been waiting years and years for service worker module support, and I am sure there are plenty of other things that are important and not being done so that's just one example