#2 If they can't somewhat behave they are not ready to eat out in a restraint. There is no right IMO to destroy everyone else’s dining experience because your kids are wild.
#3 Go eat out at a McDonalds or a Chucky Cheese until they learn to sit with respect for others.
This is IMO nothing personal against this family IMO. Your children have to be at a certain level before you take them out to mingle with civilized people. Children are challenging anyway.
Sounds like some restraint was needed here!