You're right it could've been a lot greater however you should apply the same analysis towards the USA as well.

If you're black you're all but barred from participating in the space program. This was only recently acknowledged in a Hollywood feel good movie: https://en.wikipedia.org/wiki/Hidden_Figures

The space program was bootstrapped by Nazis: https://en.wikipedia.org/wiki/Operation_Paperclip

I'm saying they achievements could've been a lot greater if the system didn't try to mutilate and murder it's subjects: https://www.mcgill.ca/oss/article/history/40-years-human-exp...