Ceola,
The problem is that academic committees sometimes focus on the wrong things with the best of intentions. If the technical standards are drawn on the basis of HOW things are normally done, instead of WHAT must be done, you end up with technical standards that are inappropriately restrictive because they are based on the assumption that if someone can do what everyone else can do (see, hear, etc.) they can meet the technical standard, and that if someone cannot do those things they will NOT meet the standard. Along the way we lose sight of what the technical standard… >>>