They're also maybe allowing decryption by anyone else who wants to, and by law enforcement without a warrant - there's no cryptographic proof anywhere that Zoom

They're also maybe allowing decryption by anyone else who wants to, and by law enforcement without a warrant - there's no cryptographic proof anywhere that Zoom will only hand the key to police on presentation of a warrant, and never use it themselves. In the meantime, anyone who actually cares about their privacy can use an e2e encrypted group chat today with e.g. Wire. All this gets us is that unwitting people who can't afford to pay are in the position to get spied on.