On the replay you can see the official already throwing the flag as contact occurs. Meaning he already had it out of his pocket and wound up to throw before there was contact.
Argue what ? That it should have been a called a hold instead of PI ? Sure, I guess. But the call was PI. They can't go back and say "well it was a D hold too, anyway". Didn't see the hold. I'd have to roll it back and watch it.