Exactly treating companies with huge market shares more like utilities that can't just refuse to do business with people for arbitrary reasons and have to follo

Exactly treating companies with huge market shares more like utilities that can't just refuse to do business with people for arbitrary reasons and have to follow due process would provide a natural pushback against monopoly building - much more effective than antitrust litigation could ever be. It's always funny when people say these big companies can't provide a good service because that "wouldn't scale" as if their ability to scale is a god given right and not something that should be pushed back on itself.