Not only researchers. Enterprises? Are you handing over your proprietary data to an entity that will use it to compete against you? Well, that's on you, I guess. Fool me once, and all.
But, yeah, give OpenAI subscription money to steal your intellectual property. See how that turns out.
TU Dresden group theorist Andreas Thom says that OpenAI gave him a misleading answer about whether his private ChatGPT sessions fed the training data behind the Astra proof that built the first non-sofic group. OpenAI has not publicly addressed his posts.