They're going to have to implement this sooner or later if they want to remain relevant. More and more happens in the browser, regardless of whether they like it or not.
Yes, as a FF user it’s becoming more and more clear that FF is falling behind on implementing new APIs. It’s frustrating having to keep Chrome around to load certain web apps.
I ran into this specific API following the great blues wireless tutorial (cell connectivity cards and dev cards with ESP32 support) which only works in Chrome https://dev.blues.io/get-started/quickstart/notecarrier-af/