> but it is quite likely that certain black and gray market would be created. I see your point. But, on the other hand, having so few organs available is what

> but it is quite likely that certain black and gray market would be created. I see your point. But, on the other hand, having so few organs available is what makes black market actually work. In Germany we already had a scandal where people bought their way up the waiting list. Both situations are horrible, but I think that the opt-out solution is probably the better choice for avoiding/reducing black markets.