A educated guess would be that the establishments intentionally want to have these monopolies around, so they stand down on the antitrust stuff, and in they would get total control and surveillance. That is how you get these guy like Peter Thiel going to Standford to recommend everyone to start a monopoly as their business model. In reality these guy (groups with low cost access to capital) have no clue how to really run a business they are just heavily subsidize by the establishment.