It’s to motivate peace and riot control due to the situation.
If he had some “knucklehead” notion to pit The NG against ICE, the federal government would simply federalize the NG and remove it from state control. I think he’s a goof, but he’s smarter than that, plus as a former NG, he knows how the NG command structure works.
For example: https://en.wikipedia.org/wiki/Massachusetts_State_Defense_Fo...