this is a highly marketable problem and specific teams at OpenAI were aware of specific competitor efforts. I would be surprised if this were happening on a large scale, but
1. Less than a hundred people in the world are working at this problem,
2. A significant fraction of those happen to work at competing hyperscalers,
3. Those hyperscalers repeatedly show themselves not to take user privacy seriously
I'm not sure what your points 1 and 2 have to do with anything. Both directionally increase the probability of hyperscalers also finding the solution independently.
> Those hyperscalers repeatedly show themselves not to take user privacy seriously
Any degree of tracking what people do is unprivate. Every single web interaction you perform is tracked. All LLM companies store all your conversations by default. Do you need more examples?
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