Why did the initial 1956 Buick Centurion camera concept not immediately enter mass production?

Answer

The necessary electronic components were bulky and prohibitively expensive

The concept remained a concept because the specialized and costly hardware required to feed a usable image to the driver meant the technology was decades away from consumer viability at that time.

Why did the initial 1956 Buick Centurion camera concept not immediately enter mass production?
inventionCartechnologycamera