Wow. Just wow.
We had a call once in ultra-icy conditions, a trauma victim off in a field. It was so hard to get to him - slipping, falling, undrivable conditions at the scene and 500 yards to the victim from the last place you could drive - and I could not keep up with the medics who got to him well before me. Sadly, he was already dead, but I know our medics can and do commandeer anything that could move to get to a call. Urban situations are quite different though - a lot of "frequent flyers" and junk calls. I don't defend the failure, I do know it's possible to just get jaded to every perceived "emergency" that's nothing more than a fart attack.