Maybe some correlation it's not the reason why. Your tinfoil hat is too tight, and it's restricting bloodflow to your brain.

The cities most targeted by ICE tend to be blue politically, and that comes with a culture that generally agrees that there should be some barriers in place when buying a weapon. They also generally have the belief that people should not be tortured and kicked out of the US even if they're darker than a hotel towel or have a scary last name.

Places like that tend to vote for people that would try to oppose everything the Trump admin is doing.