Amazon has made so many goods so much more readily accessible and at lower prices than any set of brick and mortar stores has done. The vast majority of the value it creates goes to consumers, not the company, its owner, or the stockholders.
Google has made a vast world of information available to people all over the world at no monetary cost to the consumer.
Facebook has made worldwide instantaneous communication possible, allowing families to stay in touch and communities of widely dispersed individuals to emerge, all at no monetary cost to the consumer.
Big firms believed to be so powerful they weren't susceptible to competition have failed in the past. The same market forces exist today. Let's beware of intellectual hubris that makes us sure we are cleverer than those who preceded us.