Earlier quoted context omitted.
No you gambled and got lucky. Good for you that’s great, but please recognize it for what it is. You played the market and won, just like people play the lotto, and some of them win too.
Do you attribute YCombinator's success to lucky gambling?
This is pretty different from YCombinator's startup investment. No one has to lose for YC to win. The money ultimately comes from customers of YC-funded startups, who are in theory engaging in positive-sum trade (getting more in value than the money they paid for it). On average, people are earning lots of money investing in startups.
To be clear, options trading does have value in terms of letting people buy insurance and providing a price signal in terms of how many people believe prices will go up or down, but this is comparatively marginal and doesn't affect the options traders themselves.