I disagree, natural selection would mean that vsh bees in the wild ( lost swarms etc) would have a greater chance of survival. My drones if their lucky will impact on the local population albeit by a small margin over time if enough keepers buy into it and go vsh then the Gean pool will be affected just as our black bee has been mongralised by Buckie’s and Carolina etc
It’s a numbers game.
The question I suppose I am really asking is weather or not productivity is good enough for people to want vsh queens . Or would they rather stick with what they have and treat