Then your logic must apply to all others who were delisted.
Why didn’t they all work harder to succeed?
Aarts didn't have the talent, but he worked his butt off for the club. No-one can say he didn't put 100% into everything he did for the club. Its why I'd love to see him back as either the captain or vice captain of the VFL programme, whether we can afford him there remains to be seen though as he will likely field some very good offers from the stand along clubs IMO.
Martyn similar to Aarts.
RCD in the middle, I'm not sure he had the talent but his desire to succeed appears to be lacking hence he has gone too