> Most of scientific and industrial advances were made by people who have no survival struggles and who were greedy for money or reputation. A lot of it was not needed for human adaptation and evolution.
I'm not sure what the motivations of the people who developed penicillin were, but I'm happy they did what they did.
Also vaccines (smallpox, polio, MMR), indoor plumbing and chlorination, sewage treatment, electrical lighting (so we didn't have to burn candles, whale oil, or gas piping/lighting to every room of the house), etc.