As an aside, while I can’t speak for the community as a whole, all of the blind persons that I’m personally acquainted with don’t mind visual metaphors so in my

As an aside, while I can’t speak for the community as a whole, all of the blind persons that I’m personally acquainted with don’t mind visual metaphors so in my case at least I don’t worry that I’m giving offense. I agree it is striking though how easily we use visual metaphors.