The difference is that we give ISP's the use of our countries spectrum. Without that, they wouldn't have a business. So it's fair that we can prevent them from screwing us through regulation.

If we are talking wireless, then you might have a point, but you can always lay more wire.

True but it's easier said than done. The huge cost involved in laying more wire is a big barrier to entry. And I would guess there are limits to the amount of cable that can be laid.

What difference between government and individuals?

Monopoly on violence.