I agree with everything you said but also want to add that recaptchas have been "solved" also. By google themselves actually (http://techcrunch.com/2014/04/16/g

I agree with everything you said but also want to add that recaptchas have been "solved" also. By google themselves actually (http://techcrunch.com/2014/04/16/googles-new-street-view-image-recognition-algorithm-can-beat-most-captchas/ http://techcrunch.com/2014/04/16/googles-new-street-view-ima...). Cars are safer now than they were in 1908 but are still one of leading cause of death. But it's the best we've got for now.