>"It is striking to me that Prime Minister Netanyahu must go back to an Iranian report of a March 2016 ballistic missile test to make his point about malign Iranian intentions," said Greg Thielmann, a former foreign service officer and Senate Intelligence Committee staffer who is now a board member at the Arms Control Association.

>He suggested that the Hebrew lettering may have been "a one-time event, and not necessarily authorized in Tehran." The botching of the text may suggest that the gambit was ad-hoc "sloganeering" by the Islamic Revolutionary Guard Corps, "rather than an explicit policy dictated from the top," Thielmann said.

From your link.

Similar minor incidents in history have caused broader wars.