people who randomly tap the brakes on a motorway or dual carriageway. (without anything infront of them).
anyone who does that is high, drunk, distracted, or just so plain incompetent at motor vehicles that I reckon I’d easily find worn out tyres, lapsed MOT or something else to ruin those muppets’ days and make the rest of the road users a bit safer.
Also (while I’m well aware of the history of them and the modern response from emergency personel should an accident occur), anyone with a “baby on board” sign displayed while not actually transporting said infant. Make them throw the thing in the bushes then book them for littering.