Why are so many people butt-hurt over the national guard protecting federal employees?

Article 10 of the United States Code authorizes Trump to federalize national guard troops in order to protect federal employees and structures. They can't act as local cops, but the can support federal employees. What is so bad about that?
Why are so many people butt-hurt over the national guard protecting federal employees?
Why are so many people butt-hurt over the national guard protecting federal employees?
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