This isn’t helicopter parenting, it’s bulldozer parenting. One wonders how they convince themselves that this is good for their child.
When you don’t know the difference between good and bad, and when bullying your way through things on a technicality because you have the money to do so is normal, well I doubt seriously they convince themselves of anything. They know based on pure emotion and the desired outcome that they were wronged — so of course you sue?