Then how come actual law-enforcement members don't put on masks when doing their job? It's because ice "agents" are untrained and unqualified cowards who just go around terrorizing people. They know what they are doing is illegal, and they are terrified of being punished for their crimes.
Maga today is what the kkk used to be. Promoting racism, blaming everything on immigrants, promoting Christian nationalism, promoting sexism, and supporting violence if it helps their goals.