Package managers exist for a reason. Flatpack, snap etc all exist. You can't just hand wave real complexity away by yelling "usability!" without having fiat power over an incredibly diverse ecosystem.

The lowest common denominator for installing software on Linux distributions is well below what an incurious user will put up with. If you don't want to understand that kind of low level tinkering, you have to wait for whatever ecosystem you bought into to catch up.

That might mean moving back to Apple's curated experience. That's fine; so long as Linux itself isn't a curated walled garden, it'll never be as seamless in every instance, and that's not for everyone.

Addressed by whom, exactly? "The Linux community" is busy addressing the things they care about. Nobody is telling anybody to use Linux if it doesn't work for their needs.