If your page isn't at least readable in Lynx, then it probably isn't readable by screenreaders or crawlers either. Lynx users aren't expecting pages to be "optimized" for them, but it's not unreasonable to expect text content to be accessible textually. All this whiz-bang JS frippery is shaping up to be Flash wesbites, round two; it was bad then, and it's bad now.
Even Facebook used to work with Elinks (don't know if that's still true).
Even Facebook used to work with Elinks (don't know if that's still true).