> they manage to make a society/market a whole lot worse
I can imagine this argument holding true for resource-based businesses, say, oil and gas. I can't imagine a taxi services aggregator having that substantial an impact on a nation
You're right the argument is less strong for a non-natural monopoly, but Microsoft, say, when they had a monopoly, held back computing by years and we're still seeing the aftereffects of their monopoly; it has warped an entire industry in not only the US but the world.
I can imagine this argument holding true for resource-based businesses, say, oil and gas. I can't imagine a taxi services aggregator having that substantial an impact on a nation