BJ Penn-"you tap to strikes, you're a pussy"

UFC Primetime2. BJ Penn is hilarious. True words though. Regardless whether it's for safety or fear, tapping to strikes is a bitch move. Tapping to stop your arm from getting torn off is legit. But tapping from strikes is a different story. You fight until the ref stops the fight.

Edit: Here's the gif of the taps.