It's already happening. Our desktop support IT guy came by to do some updates to my computer and he asked me if I wouldn't mind if he uninstalled Java. I said sure, no problem.
If we removed the stranglehold that incompetent people had over corporate spending decisions then maybe this just might happen.
Unfortunately, I think we're still a decade or so away from having technologically enlightened people saturated throughout our corporate landscape for that to happen.
Until then, we're stuck with know-nothing managers who make decisions based on how likely they are to get fired if things go wrong: