It is more like checkers. Limit the moves: Profit is capped. Now profit can only grow through growth in a market that is, by law, fully saturated. That mean

It is more like checkers. Limit the moves: Profit is capped. Now profit can only grow through growth in a market that is, by law, fully saturated. That means mergers. Once the field is winnowed down to a few players, government can cry 'monopoly' and regulate it until it is government run in all but name.