Lobbying. That's the reason. There is no rational reason why a user's explicitly expressed preference would become irrelevant after a year. The organ donor dat

Lobbying. That's the reason. There is no rational reason why a user's explicitly expressed preference would become irrelevant after a year. The organ donor database won't ask you every month to verify that you still want to do it - there is nil legitimate reason why this would be 'needed' in this case.