> But inflection in spoken language is redundant to a large degree with facial expression. I don't know how you'd possibly attempt to objectively quantify that

> But inflection in spoken language is redundant to a large degree with facial expression. I don't know how you'd possibly attempt to objectively quantify that degree, but my guess is that you're understating it. The entire deaf community is probably not mistaken about which means of communication are the most effective for them.