Would make a great Q and A episode. Maybe a brief talk about the undesirable characteristics of some of them and what they changed to overcome those flaws. I know they are busy and Q and A episodes where more of a "filler" but I think they're great and I hope they do another one soon.
This would be a great topic for the podcast as well. I'd love to hear some tips about their thought process and how they work through a new plan design. Even more specifically plan layouts and where a B or A style fold would work better or how to work in strenght to an area that feels weak.