> Just like casinos in Las Vegas
It has nothing to do with a cassino. It's not a zero sum game. It generates value from profits, it makes the general market more liquid, pricing assets. Not everybody is day/swing trading with futures.
> rich people taking money from poor people
That's a pretty strong affirmation, do you have sources with backtests? otherwise, well, it's enough to have 01 consistent counter-example. Of course, if you day trade, you'll give your money to whoever knew how to properly price an asset first. But that's just being unwise.
The article bases its theses on the fact that there is insider trading - and its variations - which is a failure on the judicial system, not markets in general .