How did they predict the development thing?
Is this like the early 1960s, when fusion power was just 20 years away*
Or like the bold prediction by [begins with g] that by 2015 as many digital as analog cameras would be sold?
I suspect the former.
*Seriously we were being bombarded as kids with propaganda about going into nuclear science and engineering - guaranteed big bucks. But our physics teacher, who had actually been in R&D and got disillusioned, was having nothing of it.