Our parents gave us sparklers and told us to be careful. If we burned ourselves, it was a life lesson to be more careful and fireworks can hurt you.
Today, kids grow up in an unrealistic bubble apart from what the world is really like, hurt themselves, and parents sue everybody.
My sister in law does have a black lab mix that just freaks the hell out when she hears fireworks. The dog won't go outside to do its business and trembles at the sounds. They're playing music in the house to distract the dog.