I have no sympathy. Why didn't he complain when other companies died when Twitter/FB/Craigslist took away their business model? It's not about Twitter killing

I have no sympathy. Why didn't he complain when other companies died when Twitter/FB/Craigslist took away their business model? It's not about Twitter killing the little guy, or stealing a feature from a startup. It's about you making less money. Cry me a river.