I agree OP and I speak as someone who was NC with mine for 11 yrs (for context I'm abroad and was told my baby belonged to them and if my family wanted to see her they would have to come here)
But on here? It's DilZilla heaven. Buying a granddaughter a present not expressly approved of? Taking a granddaughter to the theatre?
And all the "sil bought my son a present 3cm smaller than what I gave them"
It's proper batshit.
And either about demonstrating total control over the family unit, (a psych study in itself) or money. Which is very infra dig.