Throughout our history we learn of the dangers of monopolies in business. When one company runs an entire industry, it is bad for consumers, and bad for people in general. An example of monopolies that were disbanded include Standard Oil Company (Rockefeller) which was split up into multiple companies including Exxon. AT&T was another example – once MCI sued for competition, long distance phone rates fell.
Now, some in government are proposing the worst kind of monopoly – a government sanctioned monopoly where abuses and price inefficiencies can be PROTECTED by the government. Read an interesting commentary on that here: