Now whose being utopian? Seeing other cops obey the order and faced with the prospect of being fired, every cop is going to comply. Most won’t even hesitate.
The retired police captain told me that, "Door-to-door confiscation by men and women in blue [i.e. city cops] would be a suicide mission." If ordered to conduct such gun confiscation actions, many would simply resign on the spot rather than risk their lives in firefights with determined gun owners, he explained. "Our officers are not generally willing to assume the increased risk of such a police action."
There's MILLIONS more of us then them. As Clint Eastwood said in the Outlaw Josey Wales, "Dyin's a Hell of a way to make a livin', boy."