This "Computer use" demo:

https://www.youtube.com/watch?v=jqx18KgIzAE

shows Sonnet 3.5 using the Google web UI in an automated fashion. Do Google's terms really permit this? Will Google permit this when it is happening at scale?

I wonder how they could combat it if they choose to disallow AI access through human interfaces. Maybe more captchas, anti-AI design language, or even more tracking of the user's movements?