True, but a) you'd be able to check that (unless they're crazy good and have altered all the apps too), b) they can't retroactively add it, c) doesn't work for

True, but a) you'd be able to check that (unless they're crazy good and have altered all the apps too), b) they can't retroactively add it, c) doesn't work for BYOD, and d) not sure how it works in usa, but in uk it's often the case that each department runs its own IT