Building them into the seats makes about all those problems go away. But decreases the amount of seats you can fit on plane and amount of money made per flight and therefore is never going to happen

What you are feeling is similar to how I used to feel. What changed was my understanding of children. A child behaves the way it does because it is literally experiencing things for the first time. That’s why they over react. They aren’t bad all the time. They can be more fun to be around then adults. They don’t care what you look like. They’re easy to impress and pal around with. And when they do act out it’s not nearly as serious as adults.