Youre probably already thinking that the merger of the two biggest cable companies in the United States isnt going to turn out great for regular people. Guess what? Youre on to something. If Comcasts proposed $45.2 billion acquisition of Time Warner Cable actually happens (and thats a big if), then the giant company would have 30 million customers and dominate cable and Internet service throughout the U.S. Here are some fairly terrible things that could happen if the deal goes through: 1. …