It is confusing but not in the way you're thinking. The interpretation is simple, but often the vehicle you have to give way to has to give way to another vehicle so you
should be safe to go. However unless you're a mind reader then you don't know if the other person
thinks there is enough of a gap...result confusion and accidents.
Without the "left turning traffic gives way to everyone" part of the right hand rule then you eliminate the uncertainty and need for psychic powers completely, making everything much simpler, so even the stupid people have a better chance of coping
