1) They had Retina MacBook Air 2) They actually have a Monitor Line, that is Retina+ Display, Super great colour accuracy etc.
For 1st point Apple doesn't seems to care, and 2nd point, Apple should at least have a list of Monitor that work best or up to their "Standards". Or on sale at Apple Store.
These attention to details, in its ecosystem weren't as obvious when Steve were here. But recently they have started to show cracks everywhere.