I believe these people who pick and comment on ones disabilities with hatred and anger are disabled themselves, in a way.
There's no need to say anything, and yet, people talk and talk and talk.
I absolutely think it is a good idea. The only person who's experience it affects is the person who chose to mute. From a technical standpoint though, then the feed coming out from the servers would be different for different users, and I don't know how doable that is.