AI deepfakes have become so convincing that even close relatives, like an aunt, may struggle to distinguish between a real person and a deepfake. A sitting prime minister also faced challenges proving his authenticity amid concerns over AI-generated impersonations.

Using a language model to alter messages can obscure the original intent and authenticity of communication. This can lead to discomfort when receiving messages that have been sanitized or modified by AI.

Proton sent an email newsletter introducing Lumo, despite users opting out of Lumo product updates. This raises concerns regarding AI's alignment with privacy and security values.