Did someone ever work out the relevant academic theory that describes this linguistic process? A word starts out as neutral, but gradually transitions to becoming a slur (a process that seemingly takes decades), and is replaced by a new politically correct word which is seen as too avant-garde at first, but gets established in part due to a lack of push-back (because any criticism will make the person levelling it se…
I definitely recognize this process (and have heard the term euphemism treadmill from McWhorter the other commenter pointed out) but since when has "disabled" been used as a slur? I'm sure it's happened, but I'm not sure I've ever heard of someone using disabled in a derogatory manner like you would hear "retarded" commonly used now.
Differently abled is OK. Learning differences or special needs also works. Disabilities I think is still OK.
I'm kind of on board with getting away from retarded and disabled.