Simply because of his use of an outdated synonym of "Asia"? If anything, I got the impression that the author was critical of Westerners for being insensitive to the needs of Asian computer users. I think this is because of Han Unification, but he does not mention it by name.
In this author's case, I agree that the intent doesn't appear to have been malicious. But calling it just "an outdated synonym of Asia" is like saying Negro is just an outdated synonym for Black (after all, negro is just Spanish for black). In both cases, it ignores heavy historical and cultural implications that come with the words.