If it was only the cd, you are 100% right. The reason why Mars brings this up every six months is because at least 3 (!!) people we know, are still waiting on a refund of 500€ for not showing up on events. Its like a "reminder" for other organisers. Scroll back somewhere here for the full story
I love his music, but he should be serious about people's money, and not doing so is seriously damaging our scene. I think, in todays world, too much unserious behaviour is somehow accepted, and thats sad. We shouls stand up against stuff like this! (cfr so many festivals). In the end, being honest and fair should be "normal", and stealing should be condemned.