“If it were up to me, I would have taken it out with a Hellfire, followed by several fuel-air-vapor bombs on the installation.”
I would have shot it out of the sky and then announced that since we now know our defensive capabilities are sound, we are going to test some offensive capabilities.
My guess is Tehran got phone calls both from Washington and Moscow and realized that the big boys want to play nice with each other so they best dial down the provocative moves and re-read the fine print in the treaty they signed.