Does a smart plug help "learning"

[therichardharrison]

I think I found my answer here.

Smart Plugs: Frequently Asked Questions

What do I do if I change the device plugged into my smart plug? To change the device plugged into your smart plug: Go to your smart plug device and navigate to Device Settings > Manage Tap “What’s plugged into this?” near the bottom of the screen. Uncheck your previous choice(s) and check something(s) new off. If you’re going from “Other” to a new “Other” device, you can just edit the device name and type. What happens if I plug a device into my smart plug that Sense has already detected? F…

It looks like if I have a dozen unidentified devices I’ll need to buy a dozen smartplugs and leave them connected.
Maybe someone will correct me but that appears to be the situation.