Originally Posted by Matt13:
The penalty enforcement has changed so that it requires a delay for a penalty strike to be called.
That's why many umpires let it go when there's no actual delay. If there's no penalty, then all you can say is don't do that. It's a game management thing. Depending on how you handle your warning, you can head off trouble later or you can just come off as an "OOO" and make for a long day.