The thing that gets me about NBC is they ordered 13 Hannibal episodes, done by Bryan Fuller, and are planning to waste them in a summer timeslot...
Actually, that might not be a bad move with an "edgy" show: start it when the competition is less intense and build up a following.
For example: The first four seasons of "Mad Men" all ran during the summer. Most seasons of "Six Feet Under" did as well.
Maybe NBC is trying to follow that model.