"Not only do darn few folks have any special competence in more than two area, but the views of folks, looking from a slightly different perspective.....can actually result in my learning something!"
That's it John, we need to help provide information, but at the same time take care not to give direct, How to information, so the idea of an e-mail contact with the poster, will inform them of our position, and at the same time, with a short note of support, we can encorage them to come back and learn.