I agree. For me it's all about running business apps (Teams specifically, but I suspect more are coming), without the need for Chrome or Edge.Looks to me like this is going to be a basic requirement for browsers in the near future, so let's get ahead...
PWAs appear to be gaining popularity, and having to run them in browser XYZ rather than Firefox, is just painful. Not to mention it seems pretty darn difficult to have these PWA's launch external URL's in Firefox, which ends up pushing more and more ...