The proliferation of harmful AI capabilities has likely already occurred. Its naive to not accept this reality when tackling this. A more realistic approach would be to focus on building more robust systems for detection, attribution, and harm mitigation.

The paper makes some good points - it doesn't take a lot of data to convincingly emulate a writing style (~75 emails) and there is a significant gap in legislation as most US "deepfake" legislation explicitly excludes text and focuses heavily on image/video/audio