400,000: Gosh that’s a trivial number for product that’s been on the market for over 5 years.
The rest of the 31 million, with only 6 devices or fewer, hardly any Automation can possibly be complex enough to benefit from WebCoRE - And, frankly, such a small customers are also unlikely to substantially benefit from ActionTiles either.
Of course, a change in the market / consumer behavior could happen for many reasons unpredictably - but it would be reassuring to believe there are some possible triggering events on the horizon.