And that seems to be the motivation behind the move with the hub. Trying to force a lock into a hub is not a good move.
No. That's not it at all.
The reason for the Acurite "hub" is to convert the data from Acurite's 433MHz sensors and put it on the internet.
What Acurite calls a "hub" is different than what Google or Samsung call a "hub", and they aren't compatible with each other.