Hard disagree. some of our best technologies came about to solve problems related to space travel which we later found useful for mundane problems at home. gps, digital cameras immediately come to mind. The only other phenomena I can think of with similar effects on human progress is war... I'll take a space race thanks
Space spinoffs are grossly exaggerated.
Broken window fallacy much? The amount of money spent on space race could have been spent somewhere else and you have no idea how to evaluate of this was a valid set of outcomes.
Have you heard of opportunity costs?
About war: in our universe we got the first digital computers because of military efforts during the second world war. However, without a war IBM and Konrad Zuse and others would have gotten there, too. With much less human suffering.