it would make the issue of artificial price ceilings more difficult to cope with. Those people that dump multiple stacks of items at 'discount' prices, which results in a major downshift in pricing until demand eventually chews through it all.

Normally, if you were sure that it would be a long while before the market self-corrected, the only thing you could do was remark and 1gil him or repost in smaller quantities than he's offering.