Bacteria exist ubiquitously in the world, but the dose makes the poison. Most physiologies have some form of mechanism to stave off minor exposures. High level or unfamiliar pathogen exposures are more likely to cause disease.
Let me rattle your cage further:
Improper handling of raw meat - ANY raw neat - may result in high bacteria exosures.
How many recalls have they had?
Do you wear gloves when handling it and/or clean counters, etc with bleach product and wash your hands in warm water using antibacterial soap?
Do you leave it sitting out longer than the instructions recommend?
Do feline diabetics have a more compromised immune function than non-diabetic cats?
vs
Do wild carmivores come back to the same carcass repeatedly even a day or so after the kill?
vs
Cat Info notes on preparing and feeding raw