Final Fantasy XIV Database - Ffxivpro.com

It's worth reporting them for an investigation until they can be caught botting. Technically there is nothing wrong with buying cheap and selling high from people dumb enough to sell something cheaper than what a vendor takes for it. Unfortunately this is the GM mentality for 2005. Back when RMT pretty much ruled the game and all SE had to say is "Well, they're doing nothing wrong by playing 24/7".

Who knows, maybe we'll have to settle for catching them doing the small things. Similar to Al Capone being responsible for countless serious crimes but only getting stuck with the charge of tax evasion lol.