How does this article relate to antitrust  legislation in the U.S?

The tech industry loves to tell about itself: It is bringing freedom, enlightenment and a better future for all mankind.Now tech companies are under fire for creating problems instead of solving them. Social media might have originally promised liberation, but it proved an even more useful tool for stoking anger. Tech companies have accrued a tremendous amount of power and influence. Amazon determines how people shop, Google how they acquire knowledge, Facebook how they communicate. All of them are making decisions about who gets a digital megaphone and who should be unplugged from the web.The antitrust laws are intended to promote market economics and healthy competition in every market, while checking the abuses that sometimes arise in different markets. Despite the swell of criticism, the vast majority of investors, consumers and regulators seem not to have changed their behavior. People still eagerly await the new iPhone. Facebook has more than two billion users. President Trump likes to criticize Amazon on Twitter, but his administration ignored pleas for a rigorous examination of Amazon's purchase of Whole https://www.nytimes.com/topic/subject/antitrust-laws-and-competition-issues