Martin, I believe there are people who really need the basestations ASAP (e.g. for sims), but I also believe there is a not insignificant group of people, who simply do not want to wait for controllers and who would be fine with getting everything (except the controllers) in one package, which normally should include: MAS, basestations, prescription insert, face cushions.
Pimax claims those things should be ready to ship end of this year, so why not pack all together and send them in one package? And then wait for the controllers.
This way Pimax and backers will save on shipping and we will not be hanging everything on controllers availability.