Waiting for what? Why are you looking at a year old thread I wonder? I don't think you can still get Olympic Mud Pluggas - the original company who remoulded them, A & A Auto Services, was in Cardiff and they don't exist any more.
As far as you or I know (unless he is a mate of yours) he may have a) done nothing, because he did not actually NEED tyres back then b) bought something else and worn them out by now c) thought they are so good that if some came available he would still buy them d) sold his landy e) emigrated.
Not a very friendly intro to this site that I've only just come across, having had my IIa for 19 years! Such is life.