I've read through their stuff, talked with couple people there and looked around at way people have discussed things on HLAA -related blogs, sites etc ....since I don't consider myself "impaired" <not meaning that's what you implied sally, just explaining> and they don't seem to mention or support ASL/sign languages and focus on "fixing" or "eradicating" - it's not for me. Maybe for some hoh or late-deafened. but not me.
Based on what I've seen, I agree with sally-