ACM is responsible for this kind of stuff; you can send them a "tip": https://www.acm.nl/en https://www.acm.nl/en I know that at least a few years ago they wer

ACM is responsible for this kind of stuff; you can send them a "tip": https://www.acm.nl/en https://www.acm.nl/en I know that at least a few years ago they were actively and aggressively enforcing these kind of transparent pricing legislation, although I don't know the current situation, or what they do with tips sent to them.