Yet everyone seems to ignore that maybe, just maybe, that child is being “shitty” despite having good parents.

If you’re bringing an infant onto a plane, you’re a shitty parent.

Maybe she’s fleeing domestic violence and needs to get to family to safe.

You don’t need a plane for this

Maybe the kid has a medical issue causing pain and discomfort and there’s not a damn thing the parent can do except get on that flight to see a specialist.

You don’t need a plane for this

Maybe the mother has postpartum depression and unfortunately cannot properly care for her child so she’s seeking help elsewhere.

You don’t need a plane for this

I think you can figure out the pattern for the rest of your points.