The only thing I'd say is that they are not actually using the plastic foundation - they seem to have just started to build comb on the edge of it- what will be interesting is if they start to incorporate the plastic foundation into the comb.
You can see from a photo of one of my foundationless frames (one with a triangular timber starter strip painted with beeswax) that they actuall start building the comb right at the top of the frame over the starter strip ... it makes for a very strong attachment.
View attachment 21798