I am just besides myself - how ABSOLUTELY maddening!!!! BUT I would like to say - you're a terrific breeder! I think it's wonderful how much you care about this guy.
And you're right, all behaviours that should not have happened in the first place - and this poor guy is the one who ultimately suffers! I am glad they contacted you though for help with rehoming. Sorry I can't be of any help -

I live to far away and have a lil' one in my house.