Because the author of g-client (on which this is built) is T.V. Raman, a blind programmer. g-client is built upon Emacspeak, which is also authored by Raman. Ye

Because the author of g-client (on which this is built) is T.V. Raman, a blind programmer. g-client is built upon Emacspeak, which is also authored by Raman. Yes, you can use it without the speech part. I imagine it relies on Emacspeak for some of the underlying framework.