Distributor caps, wiring, etc. '32-'41, '42, '46-'48

[Kube]

I think most are familiar with the three design variations of distributor
caps / terminal plates during the flathead years.
1932 - 1941 were identical, requiring a pair of outer caps and inner terminal plates. Although a tad difficult to assemble properly, this task can be performed fairly quickly with a little experience.
Along comes 1942 with not only a newly designed distributor but a new distributor cap. Often called a "crab" cap, this design was without question the easiest to install as there were no longer outer caps and inner terminal plates.
Then, the third and final design was utilized throughout 1946 - 1948. Once again an outer cap and inner terminal cap were required. And, again, the process of assembling this was quite the task. I would say, perhaps arguably, more of a task than the '32 - '41 design.
So, the question is: "Does anyone know why Ford did away with the '42 crab style cap with its inherent simplicity after only one year"?
Even on an industrial level (mass production) the time and subsequent cost required to produce, assemble and install the last design had to be significantly increased over the '42 style.