Initially, yes, then networking effect and shrewd business practices (ensuring barriers to entry) ensure that they stay on top. I mean petroleum to power cars w

Initially, yes, then networking effect and shrewd business practices (ensuring barriers to entry) ensure that they stay on top. I mean petroleum to power cars was a great, cheap product when it started as was the incandescent lightbulb. Coal was far more price effective than wood / steam turbines by a long shot. Yet we still use them 100+ years later. Why? Because the people that produce those technologies don't want to go out of business and they do everything their war chests will allow to make sure that won't happen.