Of course, if the President would call them whatever you want him to, they would cease and desist immediately.
You still do not understand what I carefully explained to you about the fact that most Muslims do not speak English, and what you want him to say would sound like the US was declaring war on a billion or so Muslims. The words "IslamoNazis" cannot be translated meaningfully into Arabic, Pashto, Dari, Urdu, Bahasa or even Srinang Tongo.
ISL, known as Dash, has pretty much demonstrated that they are a bloodthirsty bunch of sadistic extortionists. What our President calls them is not significant.