> But my point is that didn't last as the market punished them for it and made them irrelevant. The market moved to mobiles and web and today they are a good player in the industry.

This was your point and it's also what I addressed:

> The only monopolies are government-granted, otherwise startups quickly eat their lunch.

You claimed that monopolies are only possible through government regulation, because government regulation creates a barrier to entry that's easily surpassed by larger companies.

I provided proof illustrating that monopolies have been built through private agreements absent of government regulation.