How is Intel ME any different in functionality than the Baseboard Management Controller usually found on servers (eg: Aspeed)? And what of those whom extend these feature sets with boards like the Raspberry Pi?
(1) It is not something that you can (easily) disable
(2) It uses the same Network port that your LAN NIC uses instead of a separate "I won't plug that in if I don't want it" NIC.
(3) Security/Patches? This is outside the control of the BIOS manufacturer, so how do you make sure it's patched and upto date? and
(4) It wasn't an option.
I think the ME hating is kinda strident but it has a bunch of undocumented firmware and your PC still works after you remove it so... what was that firmware doing?