(Many) Windows admins have no idea what to do with Macs. It’s very easy for overzealous agent antivirus and firewall software to suck up CPU resources. Particularly when it is written by a company with no idea how to write Mac software, bought and installed by admins that don’t use Macs.

I had one set of “enterprise” software destroy the battery in my work Mac because of how it worked (and crashed). Meanwhile, my personal Mac was completely fine. Apple moving MDM related security software out of the kernel was the best thing they could have done for stability.