Well, because they didn't always clone things, you know. But when they decided to, it was almost always pitched as "okay, we're 10/20/30 years behind in this industry, if we try to repeat that path from the zero, we'll never catch up — let's start at near of their cutting edge, and go from there".
> the USSR solved this by having spies steal price lists.
Oh, that's a story I'd like to hear.