Soviets winning space race during microchip era? I think you have mildly mixed up decades. Soviets were leaders till US put people on the moon, that was so far beyond what soviets were capable of this race stopped, and they just focused on ICBMs.

Soviet tech was sturdy and more primitive (thus more sturdy), much cheaper and they were willing to deliver it to anybody.

I wasn't attempting to be extremely precise with dates. My point was only that the Soviets and the US were technologically comparable in that era. Yes, the US put in huge efforts and were able to overtake them in the space race, largely due to a stronger economy rather than some unique technological skill.