[flamesabers]

All this is not to say that a simplified scale is not useful, but it may be a dubious or variable fit for many people, as illustrated by the posts to date.

I know and I agree with you. Ultimately my intentions were just to create a scale that makes it somewhat easier to categorize one's level of GD. No scale will be perfect, but I think it can be beneficial to use one just to get ballpark figures.