The strange deals on the entire future output are what was allowed. Try to do the same thing with onions and the government understands you are a criminal.
That is quite the amusing read but it seems like a poorly constructed law. It wasn't futures themselves that were the problem there. The duo engaged in blatant market manipulation and severely disrupted part of the food supply in the process.
Cornering the market with the intent to flip the goods is not quite the same as cornering the market because you actually want the goods and intend to use them yourself.
And it just so happens that many people will now have to use OpenAI’s products because they can’t get enough RAM to run a local LLM. What a coincidence.