Honestly, it's not enough to just be able to run it. You need to be able to see it's source, and make modifications to it. Not all software developers can hand

Honestly, it's not enough to just be able to run it. You need to be able to see it's source, and make modifications to it. Not all software developers can handle all use cases that will be needed, and it's unrealistic to say, "if the use case is needed enough there would be market forces to implement it".