Or GitHub. I’m always amused when people don’t want to send fractions of their code to a LLM but happily host it on GitHub. All big llm providers offer no-training-on-your-data business plans.
Unlikely they think Microsoft or GitHub wants to steal it.
With LLMs, they're thinking of examples that regurgitated proprietary code, and contrary to everyday general observation, valuable proprietary code does exist.
But with GitHub, the thinking is generally the opposite: the worry is that the code is terrible, and seeing it would be like giant blinkenlights* indicating the way in.