Because it feels good
Because we are meant to
Because it helps with temperature regulation, heart regulation, hormone regulation
Because it helps with lactation
Because it is practical
Because it is cheaper than a pushchair
Because the slings are pretty
Because it reduces post partum depression
Because it builds core strength
Because it helps colicky babies
Because the cuddles are special
Because it is good healthy exercise
Because it allows your child to take part in your world
Because people talk to carried babies more
Because at pushchair level life is boring and smells of car fumes
Because it's an act of love
Because it frees your arms
Because it enables you to play with your older kids
Because it keeps you warm in winter
Because it is good for baby's hips
Because it is a good hobby
Because it gives a chance to dads to "feel pregnant"
Because it helps you read your baby's cues
Because you go places you could not reach otherwise
Because....................
Because parents love it, because babies love it, it should be enough!