exactly. and that purple sticker generally requires ALL fluids to be dropped, tires changed, cats changed and the car modified to suit the rules for passenger vehicles for this country. those in turn are used by the insurance companies to insure the vehicle. now if a insuance company wanted to they could void insurance on 90% of these cars simply by applying ADR rules to them.
again it all comes back to the shops and $$. (or lack of it form a shops point of view and the customer wanted the best deal possible.)