So the solution to the problem of high barriers of entry is to make the barriers even higher? The issue I see with the idea of barriers to entry is that a mono

So the solution to the problem of high barriers of entry is to make the barriers even higher? The issue I see with the idea of barriers to entry is that a monopoly (or oligopoly) rarely if ever actually increases the quality of the service provided. Many rail against various companies for monopolistic practices, but it suddenly makes sense to have a monopoly water or cell phone service? Perhaps this is a solution in search of a problem.