I don't think it's just a thin line, I think it's an overlap, that's the problem. Monopolies can be genuinely convenient/useful for consumers. Sometimes regulat

I don't think it's just a thin line, I think it's an overlap, that's the problem. Monopolies can be genuinely convenient/useful for consumers. Sometimes regulators have to make things less convenient/useful in the short term to prevent monopoly and stagnation in the long term.