Yeah, great idea! Let's extend this to houses too. Door-to-door checkpoints! No warrants! We'll catch lots of "bad guys" that way. After all, if you're doing nothing wrong, then why should you not want police going through your house too?
Papers please.
They already did this in New Orleans, after Katrina. Confiscated the guns of LEGAL owners - door to door - by boat.
You know how to eat an elephant? One bite at the time. The police state seems to be eating our freedom, one bite at the time.
And every time our lawmakers pass another law, we lose more of our rights.