Earlier quoted context omitted.
You know the collusion is bad when a government enterprise can be two times cheaper.
You seem to be implying that a public enterprise can't compete so well against private enterprise on price by definition. Why do you think this?
Not by definition but by the nature of the incentives.
They face a lot less monetary risks and people are harder to fire. Not to mention the additional bureaucracy and administrative weight due to the additional laws and regulations that apply to public services and how being a part of the state means facing more administrators and bureaucrats.