After listening to their nostr:npub10atn74wcwh8gahzj3m0cy22fl54tn7wxtkg55spz2e3mpf5hhcrs4602w3 episode, it seems like that is not the case. All the data is fully encrypted when it hits the relays, nothing they can do to harm the security. That's my take at least. But I'm an idiot, 😂