Cage-free = Chickens that don't live in cages.
Ds LOVED his crib. He refused to give it up until he was 5, and even then, he would have happily slept in it longer if we hadn't redecorated his room and moved him out (he was getting longer than the crib!). His crib was a place of sanctuary. He slept much better within a confined space. During the day, his crib became a boat, or a train, or a bus, or a....
Cribs are not cages, despite the frequent references to them as cages that I seen on MDC and other places and I find it offensive to refer to them as such. We had one child who didn't care for her crib and rarely used it, and one loved his crib and who kept it until he 5 by his choice. What kind of AP parent would I be if I had not allowed ds to sleep in a place where he was clearly happy? (He was not a happy co-sleeper, as the contact with other people overstimulated him. At age 3 when I was leaning over his crib to rub his back, he said to be "please don't rub my back mom."