I don't want to start a debate or anything but in a certain way he is right, there is a huge management concern in group-buys.
When I see the deadlines that are only getting longer and the number of group-buys still in progress, I wonder why we continue to pile up orders when clearly production is not keeping up?
It's quite dishonest as it works, because obviously the producers are not able to meet reasonable deadlines but continue to accept orders (and the money that goes with it) knowing very well that it will not be produced before Greek calenders.
It doesn't bother me, I accept this modus operandi and I do not blame group-buy runners for that situation.