Not caring is too far. What I absolutely don't want, though, is a monitor that simulates 1080p or less (whether 1080 for 2160).That being said, if you don't care about Retina there is little reason to get an apple display over just buying a 30" from anybody else.
I've been pretty disappointed in displays lately; my Thunderbolt 27" is still my favourite. I'd just prefer the same number of points in 29 or 30".