What do you mean by this? Flatpak definitely solved the Linux distro balkanization problem for application developers without trying to destroy the benefits of having different distros. Having a distinction between system software, utilities, and advanced end user applications does solve a problem.

This might actually reverse firefox’s decline in userbase at least in the business world. Any shop that already has multi-OS management could probably insta-switch to firefox, and i’m sure that MS locked-in places could too given enough of a push by IT.