In the case of the Linux kernel, well, the culture seems to work out just fine - the kernel is pretty much a solid piece of technology and used in literally billions, if not trillions, of devices. So why change if it is not needed?
edit: Downvotes, just because I'm not following the radfem ideology? Please either explain your downvotes or fuck off, thank you very much...
edit 2: oh, more downvotes? Looks like I hit an uncomfortable core of truth, huh? <3