They are major concerns, but they aren’t the only reasons people would use Linux, and also not everyone who uses Linux does it for these reasons. For example, while I care about them, my most important reason for using it is utility features such as my tiling WM.
In September the NixOS constitutional assembly should finish their work, and the community will be able to elect governance. I’m guessing that’s when the drama will start getting resolved.
In the meantime, there are multiple maintainers that have left because of the drama - which is more troublesome than the board members leaving - but nixpkgs has a LOT of maintainers, and there are new ones joining all the time. It’s still healthy and won’t implode so quickly.