I think the “questions” (aka statements) after his talk proved his point that it was heresy of a sort. The number of “questions” that started with “I agree with your talk, but... there’s more data to collect!” (paraphrase) was telling.
That @davidgsIoT’s point that before you deploy things, you should decide what data you want, and what actionable things you’re going to do with it, is “heresy” is really worrying. It means that the #IoT is going down the same failure route as #BigData. #TheThingsConference