In one of the articles he described his handicap as being blind in one eye and equivalent to looking through a drinking straw with the other.
There's no way that fellow can keep a proper watch or even have a close watch on what's happening on his own boat. If you've ever had a halyard snag or wrap up high on your rigging, spotted a chafe point or cotter pin working loose -- then you know that what you don't know CAN be a big problem.
Sometimes when people show poor judgment others become responsible for picking up the pieces. Things did not appear to be under control. If the CG had let him proceed with his journey, and he had disappeared, they would have been sued anyway -- AND cost the taxpayers potentially millions for a SAR mission.