While this could possibly become a labor-control tool for some managers, there is a big downside for airlines....

"Position and Hold 35"

"Uuh, we just got that nuisance message again"

"We know what it is. Are you OK with writing it up when we get back to base?"

"Yeah, sure. Otherwise we'll lose our flow time, and be here for another hour... or longer if they have to get Mx out here. Everybody will miss their connections"

"Ooops, I forgot they just started that CVR monitoring program. Tell tower we need to exit and return to gate"