I can personally contradict this with my own interactions with RMS, in which he gave serious and continuing thought to development of libre computer interface s

I can personally contradict this with my own interactions with RMS, in which he gave serious and continuing thought to development of libre computer interface software for blind people. Accessibility is listed as a FSF high-priority project (https://directory.fsf.org/wiki/Category/Interface/accessibility https://directory.fsf.org/wiki/Category/Interface/accessibil...)