Residential boxes on the street are no longer safe either. Theifs will follow the carriers and steal what they just delivered.
Everyone where I live gets the mail from one collection point. We all have keys to our own box, and there are large boxes for packages. The mailman puts the key for one of the large boxes in your mail.
As for mail thieves, allow citizens to defend their mailbox, packages, and their cars with lethal force. IDK bout you guys, but at my age and income level, if my car is stolen I can never get that back. My car is mine, until it dies, or I die. I can barely afford tabs, and mandatory insurance. Who will make me whole? The government is all about putting people through the system, the Judges, attorneys, and even the cops make a very good living. Yet those harmed by crime lose in EVERY SINGLE CASE.
In Miami, this happened after Mariel.