I later worked for Y Combinator as a partner helping founders make products and services. The best ones made something that touches millions of people now.
While there is a lot of zero sum thinking in startupland and finance/capitalism in general, you have to remember that this is probably the most GROWTH mindset industry in the world. Where else can you, with just your hands and a laptop on the Internet, create something a billion people use?
I'm not saying that is the norm. But when it works, it's still remarkable.
And it can start with you, and everyone reading this.