Let me clarify some points here:
Sense will attempt not to natively detect a device that it suspects is on a smart plug. Doing so would result in double counting. That said, we’re still collecting the data internally to improve the device models for that device.
Despite our best efforts, it can still happen (but this is not a product of the smart plug “helping” the ML-based detection. That is not yet a feature). If it does happen, you should use the “what’s plugged into this” UI in the app to indicate that the ML-based mode of the device is plugged into the smart plug. Otherwise, Sense will double count the wattage.