I've been perusing BeeWeaver's site from time to time over the last couple days.
They claim not to have needed treatments for ten years now and I see no mention of small cell.
Far be it from me to approach the topic of small cell beekeeping with such orthodoxy that it would not be accepted in this forum. Small cell has certainly gotten its fair share of discussion lately.
At the same time, there have been a number of passing mentions of treatment-free beekeeping on conventional foundation. I know it can be done, one of my pastors at church has seven hives treatment-free on regular foundation last I heard. On the other hand, most if not all the cases I've heard of where conventional hives have gone cold turkey, there has been huge death.
So I don't want to reject this is a topic for discussion seeing all the small cell conversations. Who does this? Assuming BeeWeaver does it, there's our example for a commercial operation. And boy are they real proud of their stuff.