I've sat in different offices(betting and booking) where small to medium BMs & Pros were always allowed to call after the kick to off their action and play for their own pockets, due to busy phones at post, and anyone that thinks an early 7-0 or 3-0 lead in the NFL means squat, or takes a shot with a side that they originally didn't care for due to merely the early jump, can attest that it is flipping coins in the end.
Taking 11/10 in the end longterm, still eleminates what little you may be grabbed from time to time, when someone alters their intended original call/plays due to their jumping on early returns.
Bad Karma costs 'em in the end!