You're forgetting they can't even get offside or interfering with play right, play acting will melt their brain cells!
A booking for simulation already exists. It's used for diving but not for the worst form of simulation which is head clutching. So in terms of where does it stop, it stops with bookings for both of those situations. What other simulations could there be? I don't know.
I think there has to be a decision on what is considered serious enough for VAR to intervene. Cynically feigning a possibly life-threatening injury in order stop play is surely up there as one of the worst?
Tbf, if they start booking them, I'd wager that Oliver would be the first to book a guy that gets carried off with a fractured skull, and Webb will be on Sky a few days later, justifying it to Michael Owen on the basis that the player probably banged his head in the ambulance on the way to the hospital.
i need to be clearer which part of other peoples post my reply refers to . I just assume as i know so will other people