[Closi]

If you have the full outputs, it might make it easier for competitors to distil the model or reverse engineer the full process.

It may also be that misaligned responses can be in CoT which OpenAI does not want to show to users.

[anuramat]

but "harder to reverse engineer" isn't manufacturing, that's protecting your moat

[Closi]

What is a moat if not something used to protect the castle?

In this case it stops people copying your IP