You're a terrible parent by letting it cry
Either you are joking or you have never had a baby.
I can just see those parents now.... "Oh good, I was hoping my baby would cry on this flight."
Like any parent wants their baby to cry and does not try to silence it. You do realize that there are parents who don't get to sleep at night because they cannot get their babies to stop crying sometimes?
We all come into this world in the same way: helpless and incapable of comprehending directions. You came that way too. Deal with it.
I sure hope that a mother with a crying baby is sitting next to you and she feeds it a bottle to get it to quiet down and then it spits up all over your nice suit. That would be awesome. Then I hope it happens again and again, every week you are traveling for a year. That would be poetic.