When I was a kid "handicapped" was common, but then it became regarded as offensive and was replaced by "disabled". I thought at the time it was silly, as abled

When I was a kid "handicapped" was common, but then it became regarded as offensive and was replaced by "disabled". I thought at the time it was silly, as abled/disabled was pretty binary ('dis-' = 'not'), whereas "handicap" covers a whole range, and encourages us to think of ways to "level the paying field".