One of the many bits from the Terminator series to have been spoofed on The Simpsons, so you know it must be crucial. It’s not just a Terminator touch, either, but an ‘80s action movie mainstay. Also see: Predator, Robocop.
 
Lesson for McG: That audiences love to look inside the mind of the beast, and feeling for a few seconds like an indestructible robot killer.