I suppose that's one way to do it. I don't think that it makes any sense, but you're entitled to it. I do believe, however, that you are disregarding tens of thousands of principled researchers who have spent their life on this, and substituting outdated knowledge for it.

If you are at all interested in testing your belief, a highly accessible discussion can be found here: https://www.alieward.com/ologies/adhd