They think their P99 customer service is great but 0.1% of their customers are experiencing a catastrophic level of experience and they simply don’t care. They are ignoring it because it doesn’t show up on any of their metrics or dashboards but it has a catastrophic effect on a small number of customers.
Companies like Stripe need a swat team that deals with these P999 catastrophes, but given their scale it’s probably cost prohibitive, so they just say “Fuck it.”