Throughout this our only contacts have been representatives at Stripe and PayPal. They indicated that they got a notice and kicked off their own audit.

As far as I'm aware, the Collective Shout letter caused a "formal card network inquiry" to originate from both Mastercard and Visa. I did not have access to the actual inquiry, but my assumption is that it wasn't "we see this content, take it down" and more like "we saw this letter, look into whats going on before we do our own investigation and fine you"