I agree... Great question !!! I thought about this alot too, primarily when cooking chicken on a grill... I'll swap out tongs or whatever utensil 2-3 times during a cook. Same with when I scramble an egg in a bowl and then use that utensil to scramble it in a hot pan until done.
Chicken and pork scare me...I'll flip a hamburger or a steak etc. with the same utensil from start to finish..
I'll need to re-think that strategy to extend to all meats
Lonestar 24" Vertical offset w/ Insulated Firebox & Performer Platinum
Former owner: Jambo Backyard, Klose BYC, Med. Spicewine, Pitts & Spitts, XL & (2) Med. BGE's, 22" WSM & (2) 18" WSM's, 18" & 22" Weber Kettles