By the early 80s it was clear that NATO outmatched the Warsaw Pact in conventional military strength. The Soviets developed the world’s mort capable anti-tank, anti-ship, and anti-air missiles.
Maybe in hindsight due to a certain perceived technological superiority, but that's far from clear and from the perspective of the 80s the Warsaw Pact was far superior in conventional force by numbers in Europe. See e.g. https://www.nato.int/cps/en/natohq/declassified_138256.htm?s...