I didn't understand the quoted critism from the article. Smart TRVs are supposed to be able to independently call for heat, isn't that the whole point of them.

I didn't understand the quoted critism from the article. Smart TRVs are supposed to be able to independently call for heat, isn't that the whole point of them. There's nothing very smart about simply reporting they are too cold - is that really all Nest can do!?! I was under the impression that Tado, Drayton Wiser, etc handled this properly and would have solved the problem (albeit for lots more money).