I don't think they argue against all encryption (Do they?).
Basically everything would become an encrypted group chat (Double Ratchet etc) where the 3rd party is the provider which can optionally encrypt/secure access. That would ensure the provider is the only one with a backdoor for some time until access to previous messages are lost. Similar to loosing decryption keys for GDPR compliance. Access to the keys would require a court order.
Nonetheless authoritarian governments could and would misuse this. It should at least be required to have an international court order. Still very difficult.
Basically everything would become an encrypted group chat (Double Ratchet etc) where the 3rd party is the provider which can optionally encrypt/secure access. That would ensure the provider is the only one with a backdoor for some time until access to previous messages are lost. Similar to loosing decryption keys for GDPR compliance. Access to the keys would require a court order.
Nonetheless authoritarian governments could and would misuse this. It should at least be required to have an international court order. Still very difficult.