No one is afraid of the US. Iran has continuously waged war on America since the revolution, killing countless soldiers, as well as murdering civilians on western soil. America’s response has been essentially non-existent.
Short of an unignorable mass attack on the homeland, America has a proven track record of turning the other cheek.
After waging war on America continuously for 46 years, the response was to take out a handful of targets, leaving the entire theocratic regime and nearly all of its regional military capabilities intact.
Short of an unignorable mass attack on the homeland, America has a proven track record of turning the other cheek.