Like I said, it's not so much about them remembering (though that would be nice), it's about providing a memory for those within earshot. If you know the laws

Like I said, it's not so much about them remembering (though that would be nice), it's about providing a memory for those within earshot. If you know the laws and see a car breaking a law, then call the police and tell them someone is breaking the law Do you live in a city with a big gigcar presence? These incidents only last a minute, so other strategies are necessary. FWIW, they are invariably also blocking the bike lane.