Earlier quoted context omitted.
I suppose it's useful when almost everything works, but that one thing that you absolutely need isn't otherwise available.
This is my problem. Audio editing on Linux is a joke. For everything else I do, Linux can get me there. So I need a Mac or a PC as an audio editor? Might as well just get a Mac or a PC. I'll have to maintain it anyway, and it can do everything Linux can do, plus probably be better supported.
The open source alternatives are no where near as fast, they lag far behind supporting new cameras, their interfaces are ugly and difficult to use, etc.