An evil government would just drag them out of their house.

If everyone on the street did it it would cause significant problems for the government.

Why would you try to waste the time of someone who has murderous intent? I think you might have lost the plot a little bit.

By wasting their time, they can't spend as much time murdering other people. Maybe you know your next door neighbor is running an underground railroad, and you want to distract from that.