There are many, many ways to put wi-fi wherever one wants it. Wi-Fi connects to your router (LAN), your router connects to your internet(WAN).
If you need more details PM me, happy to make some recommendations.

What if Stern does nothing and lets people figure out how to unplug it, or put a Post-It note over it, or cover it with the supplied art, or just complain about it?

It takes less than a minute to pull the plug and disable it. Or cover it up with something in your choice of material and color.

Continued complaints about how other people need to figure out how you can solve your problem in yet another way is pointless. You'll just complain about that too.

You’ve already been told multiple methods multiple times by multiple people how to turn it off. Yet another method provided by Stern won’t turn it any more off.

We know you want that because you’ve repeated it eight times in this thread alone.

If you really want an answer ask someone from Stern.

Doing nothing is easier that creating an additional option and instructing those not interested to use it.
Not interested parties can already use the existing option of doing nothing to not use Stern Insider Connected.