If a business entity did this it wouldn't be allowed.It's got sod all to do with spotting flaws in systems as such.
Rotter was clearly playing and in control of his own game...he didn't dance to anyone else's tune...they all danced to his. Like all people who are top of their game.
Never let it be said I don't tell you everything.
Putting up orders you have no intention of filling with a view to moving the market only for you to take the opposite side. Brings GoldmaSachs to mind for some reason.
Call it what you will.