Re: @ThomH -- But what if I choose to..
I wouldn't agree with that.
The SCOTUS found that Aereo is covered by the same rules as any other cable operator. They took a step back and said "regardless of splitting technical hairs and the exact way that individual subscriber's money is spent, the service you provide is other people's copyrighted works delivered via a cable".
They then concluded that therefore the rules that should apply are those that were made by the body the public specifically elects to make laws.
So that's just (i) taking a common-sense approach; and (ii) deferring to democracy.
The result that Aereo would have to license the content it streams is a direct, intended result of the laws that Congress has enacted. It's not the court bending over backwards for big business.