DON'T WANT it to have to go via the internet
I find it most frustrating that I have two devices in the same room and they have to send messages to each by bouncing them off the internet.
I'm not sure if these new proposals will mean that or not - maybe things on the same network will discover each other?
The other thing about all IoT devices being WiFi... hmm. Many IoT devices are deliberately very low-power and use RF to a hub to run for months off a AA or 2. I don't want a dozen radiator smart TRVs each connected to my Wifi...