The heavy load of advertisements is a point well made, however the cost is a bit more nuanced. By your calculation, it would cost $2,166/month (+price of service) to just watch that amount TV.
This is an opportunity cost but only if you have the stamina to be doing billable work during all that time instead of relaxing.
The biggest opportunity cost was having to schedule a specific time to watch something or not being able to pause and watch later or not being able to watch while waiting for your flight to board.
This is an opportunity cost but only if you have the stamina to be doing billable work during all that time instead of relaxing.