They literally stole their nuclear tech from the capitalists

Soviets had a hydrogen bomb before their Western peers.

What’s more the world’s first nuclear power station at Obninsk was connected to the Moscow grid in June of 1954. The Soviets outpaced their American peers in nuclear power, rocketry, and advanced electronics well into the 1970s.

did not believe in genetics, period

That’s flatly untrue. And it completely neglects their role in eliminating smallpox during the 1950s.

created famines from their poor understanding of environmental science and lack of flexibility

https://www.nytimes.com/1983/01/09/world/cia-says-soviet-can-almost-do-without-imports.html

the average Soviet citizen consumes about 3,300 calories a day, as against 3,520 for an American. The report showed that the Soviet diet consists of far more grain and potatoes than the American diet, but less fish and meat and less sugar.

They ended famine in Asia. A continent that suffered mass famine every ten to fifteen years was fully fed through domestic agricultural production by the end of the 1960s.

Stalin was so stacked with grain in the 50s that he was bailing out the English colonies throughout India and Bangledish.