The issue is they do not want to follow Federal Law with immigration who has the power. Just yesterday LA's Mayor ordered all of her police to not work with ICE or Homeland for immigration issues and that isnt legal on her end. If the Gov. wanted to utilize the National Guard that would be one thing but he hasn't. The Federalized Guard is only guarding Federal buildings and facilities which is well within their ability.

Also for what its worth these Marines are only temporary and to support the California National Guard to protect federal personnel and property in Los Angeles.