The problem with RP apiaries is that you can't be as precise with what bees goes where, or you need to separate the circuits for that.
The pipes specifically apiarist pipes, on the other hands, give you a much better control over your bees, even more when you want to breed pure lines.
They have a lot of options, so it becomes way easier to refill the apiaries with what you want.
You can still hook that system to a RP network after that if you so wish though.
And don't give me a "you can use RP filters", they need an actual bee of the exact same species to stay inside at all time.
I'm actually looking into building a RP/BC hybrid system. Once I get something I might post. Unless I fail horribly then I will burn the evidence and deny this post was ever made.