Comment by nickpsecurity

That could happen. One would need to risk it to take the approach. However, if it was trained on legal data, then there might be a market for it among those not risking copyright infringement. Think FairlyTrained.org.

"somewhat dynamic or have a hidden set"

Are there example inputs and outputs for the dynamic ones online? And are the hidden sets online? (I haven't looked at benchmark internals in a while.)