This isn't trying to replace human volunteers, but complement them. I know blind people who are making just as many human Be My Eyes calls as they were before,

This isn't trying to replace human volunteers, but complement them. I know blind people who are making just as many human Be My Eyes calls as they were before, but they're using Be My AI even more, for things where they wouldn't have even bothered to use the service at all before - because the AI is so fast and convenient.