At first glance, it does seem like essentially the same thing.
I wonder if it makes any difference, the fact that broadcasting is putting out a signal for "free" to everyone in the first place, whereas the DVD's must be purchased in the first place -- so that they never started as anything public, unlike TV.
Just call it a rental; after all, renting DVDs is legal. But precedent has shown that it's not necessarily legal to outsource something that would be legal for you to do yourself.
I wonder if it makes any difference, the fact that broadcasting is putting out a signal for "free" to everyone in the first place, whereas the DVD's must be purchased in the first place -- so that they never started as anything public, unlike TV.