The poor get poorer not because tech startups get richer. If we remove tech startups, the poor wood get poorer just as fast. The difference would be that there would be less tech-rich people to calculate the Gini coefficient. The real question is: "why poor are getting poorer?" It is a very complicated question involving taxes, capitalism and hundreds of broken policies and institutions, like mass incarceration that…
Not that Uber has made any money, but it's certainly dropped the price of taxis and their market. Someone got poorer.