Yes, why would any corporation want to harness a reliable, scalable, and secure UNIX-based solution in the workplace?
Ummmm...as has been for thousands of years...even if something is deemed the
"best" (as defined in a billion ways) doesn't mean it will dominate or win.
If Wintel servers weren't reliable for the last 20+ years, they wouldn't be alive. If they weren't scalable, they wouldn't be alive. If they weren't secure...if they weren't affordable...etc.
There are plenty of Unix-based boxes in corporate America...but alas, for a lot of reasons, Apple is not one of them.
Even if Apple does a complete 180 and touts to the world "We are bringing back Mac servers! We are going to launch corporate-focused selling!" nobody will buy. Apple never should have killed off the server line. Folks that were cut off will not trust Apple. Folks that are prospects won't trust Apple.
Apple has never, EVER, been friendly with businesses. Which is fine. But I think it's a pretty stupid policy being a computer company...oooops...WAS a computer company.