The other general purpose sandboxes are just as valid. Which is why all modern OS are moving towards them ( apk, appx, whatever OSX does) Yes, qubes is harder

The other general purpose sandboxes are just as valid. Which is why all modern OS are moving towards them ( apk, appx, whatever OSX does) Yes, qubes is harder, but it's also very niche, barely supported, and difficult to use. There's really a lot of middle ground "any application can do whatever on your system as the user running it" and "any application runs in a separate OS with no rights and just 120 lines of hardened hypervisor code in common.