For most of history, being 40 was considered Old, and 50 Old as Fuck.
Infections, disease, food-borne illness, parasites, all this brought people down early.
Do you think that wild dogs and wolves have the kind of lifespan that your doggo enjoys with his carefully manufactured not-raw food?
Raw meat is a breeding ground for bacteria on surfaces. Surface grilling takes care of that.
Ground meat is bacteria central and should always be cooked to hell. Pork was unsafe except well because of trichinosis, which was dealt with with irradiation.