DrivingWIMB: Do you always indicate just before you take an exit on a roundabout

[Burney]

Nah, difference between being lazy and slightly selfish and being a nutter.

People who do the road rage thing are nutters, driving etiquette just isn't that important.

It's not actually etiquette, though, is it? Indicating is actually road safety and basic driving competence. If you don't indicate when turning, you are an unsafe and incompetent driver. What is more, you are almost certainly likely to be in breach of the law.