The markets are no different. In order to continue to exist, the markets must operate in a way that causes most participants to lose. There would not be enough money available to pay the winners if the majority were consistently taking profits out of the markets. Gambling casinos have an advantage over the markets in that they are able to setthe rules of the game to insure that the house has a mathematical edge. The markets cannot directly control how the individual participants will play.
Most commodity traders are intelligent, competitive individuals.
There are seemingly unlimited sources of information about how to trade. There are powerful computers within everyone's reach to help conquer the markets. A well-known answer is that traders cannot overcome their emotions well enough to succeed. That is certainly true. I could not find disinformation in my dictionary, but it is a term coined in the intelligence community and now in broad use.