The inherent flaw is that most people who actually pay for porn are not geeks, they are generally people who dont know the internet well enough to find porn for free.
What's "CS"? Unless it's Outlook's calendaring, I doubt it will have any effect on "the enterprise". Remember, most people only use their computers to send email, setup meetings, and browse Facebook.
Correct, but a large chunk of corporations have in house creative departments and many(if not most) use macs. Killing the Mac version of CS would force them to switch back to PC.
my .2 at least