Organizational endpoint security seems to be much more about incident response than incident prevention. That is, it's more focused on providing a nice audit trail that can be used to find and fire/arrest the perp once a breach occurs than it is at preventing breaches from happening. It probably fills a due-diligence tickbox somewhere, allowing the company to say "if a breach occurs (the probability of which is always nonzero) then we have measures in place to find out how, where, and by whom and mitigate the damage" to shareholders and important customers.
It is a complex issue with entry of nuance I'm too tired to thumb type. I know there are lines that shouldn't be crossed. But it is so naive to think companies shouldn't have an eye on their data.
Do you think banks shouldn't have cameras in their lobbies? Or that tellers can walk in and out of the vault with black bags and no one ask what's inside?
To use your camera analogy, you better have a good lock on the security room holding the tapes.