This is just Islamaphobic red meat that could likely set US foreign policy back decades
It isn't about red meat to the base.
Everything Trump does stems from his narcissism and insecurity. The Iran deal blowback from the generals and Trump advisors is just further proof that Obama>Trump. Deep down he knows this, which is why he is lashing out.
This is one of the silver-lining about the Trump years. No matter how much he tries to erase Obama achievements. He will never be seen as a better president by the majority of Americans and it eats him up every day.
And I love it.