I don't see the problem.
You can adjust PS4 to download games in your queue and also update any game installed while your console is either on or in sleep mode.
Certainly if you have a lot of games, a 500GB HDD and don't want to delete games you may have some problems, otherwise is just a matter of planning.
Worse case, I gone there on launch and purchased a game like RDR that take almost 2 hours to install I would just watch a movie while it install.
duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"