To whom, and to what? A military threat to the continental US, sure. To US allies in the region, and to the global economy, it appears Iran is a much bigger threat than we were lead to believe, and still are. If anything, they're justifiably more emboldened now than ever.

If you keep picking fights with someone don’t be surprised if they learn how to fight. There’s literally a line in Sayings of Spartans about teaching your enemy to fight by making war with them.