How Not to Help Iranian Protesters

Trump apparently threatened to use force against the Iranian regime if it shoots protesters in a post on Lying Psycho this morning. No one in Iran is going to take this threat seriously, but it will help the regime make the case that the protesters are just tools of the Great Satan.

My question is, will Ayatollah Khamenei make the same promise to protect the First Amendment rights of American protesters when Trump decides to shoot them?