So, your beef is that the IT department where you work wouldn't let you bring in a Mac, GOOD! Who knows how well your machine is patched (and an explosive device and how much malware as well as viruses you might have? No, forget the safety of the entire network, and therefore the entire company, you want to be able to bring in any device and as any self respective IT department told you, No, Hell no. Guess what, all it takes is one And now you're mad. I hear there are some sort of Doctors that can help you with that.
If IT departments were any good at what they do we wouldn't still need them.
Now I really know you're clueless. Yeah, who needs backups, patch management DRPs as well as testing them?
Everyone should have them, but it should not require an IT department to accomplish it.