No entity is forcing the public to use any of these particular companies services. Nothing is preventing the public to use another companies services. The direction of how and where the public spends their money is the most pure form of Democracy there is. Once any of these companies spend money or resources to prevent the public from using other companies or has sole propriety for a product or service that is essential to a vast majority of the public, then the feds need to step in.
What I don’t get was how Amazon was able to operate for 20 years without making a profit in a supposed free market. They undercut brick and mortar stores and put them out of business.
And there you go.