If OpenAI is charging commission on sales through ChatGPT, then they're probably better motivated than google is to show the best results.
And OpenAI might not even know my product is worse. In fact, they probably don’t. They’re too big to investigate. All they know is that I paid them more.
no you can't. because that is not a thing that they sell.
nothing in the announcement says they will accept money for changing their rankings, and the comment at the top of this chain includes the quote from the announcement where they explicitly say they won't do that.