You're right nobody is forcing them, they simply lack an alternative, some money is better than none, no matter what it costs, right?
You and I offered them no work for no pay.
The workers have made clear they prefer OpenAI's offer.
We could tell the workers that we know what's best for them. Sitting here in my rich country with my six-figured job, I'm supposed to tell the workers they're wrong, they should have taken my offer instead?
It's a terrible incentive that helping people a little bit will get you criticism while helping not at all earns you no criticism. In fact, as non-helpers we get to sit and sanctimoniously criticize the people actually doing something.
They paid decent wages by Kenyan standards it seems. They did not force, exploit or abuse the workers.
By your logic, you are more evil because you pay Kenyans $0.