To oppose Han unification is to say that an 'a' in English and an 'a' in French should be different code points, because they're different languages.
Alternatively, if Unicode directly encoded words, rather than letters, of Western languages akin to ideographs in East Asian languages, it's like arguing that 'color' and 'colour' should be separate code points.
Alternatively, if Unicode directly encoded words, rather than letters, of Western languages akin to ideographs in East Asian languages, it's like arguing that 'color' and 'colour' should be separate code points.