EDIT: since apparently a bunch of people woke up with the wrong foot this morning or forgot to check the group they’re in:
This is a joke. Do not steal or vandalize speed enforcement cameras (or anything else for that matter). That’s against the law and you will likely get arrested.
If you’re addicted to crack or any other drugs, please seek professional help.
Main roads shouldn’t be brick, but local residential streets certainly should. The speed limit should be 30 km/h or less anyway, and in a well-designed road network they should only make up a tiny portion of your overall drive, so wearing tyres and suspension isn’t an issue.