You need to sue them. Simply filing the lawsuit should be good enough. Feel free to self file and make it messy, it doesn’t matter — your only real expense should be the filing fee.
It will cost them so much money to simply look at what you’ve filed that they will immediately delete the account because you’re a nuisance. Customer service reps cost a tiny, tiny fraction of the per-hour rate of their legal team, even when you’re dealing with people who are in-house.
They don’t care about that. They’ve already co-opted the attorneys general and the politicians. It’s when you file a lawsuit and hit them in their earnings margins, which affect their share price, that they actually freak out.
It will cost them so much money to simply look at what you’ve filed that they will immediately delete the account because you’re a nuisance. Customer service reps cost a tiny, tiny fraction of the per-hour rate of their legal team, even when you’re dealing with people who are in-house.