On Saturday, a far-right group organized a sparsely attended anti-Muslim demonstration outside of Gracie Mansion, the home of New York City’s first Muslim mayor, Zohran Mamdani. A “Stand Against Hate” counterprotest attracted far more people, but perhaps the only reason Americans know about these events at all is because two men threw homemade bombs at the Islamophobic demonstrators. Authorities say the suspects told police officers they were inspired by the Islamic State, an Islamist terrorist group. “This was not random violence. This was a planned attack motivated by extremist ideology and inspired by a violent foreign terrorist organization,” New York Police Commissioner Jessica Tisch said at a press conference yesterday. With this, she promptly raised the profile of both the suspects, Emir Balat and Ibrahim Kayumi, and of ISIS itself. It hardly seemed to matter that no evidence has surfaced that directly ties these men to the larger movement. This case drives home some of the challenges of counterterrorism efforts today: The bold mission of international terrorist groups can motivate bad actors, even those who …