If you wanna see what real world VEM looks like in action just pull charts for the DOW over the last 4 years.
Speculative driven manipulation at it's peak. It's been awesome for those who work in ML development and it's related areas.
(with human behavior being the most unpredictable)
In actual fact, human behavior is very predictable and is easily quantified - Just ask the guys who brainstormed this game. LoL!