That's a bit pessimistic--displaying plain, unstyled text onscreen is significantly more difficult, and yet we expect computers to figure it out automatically.

That's a bit pessimistic--displaying plain, unstyled text onscreen is significantly more difficult, and yet we expect computers to figure it out automatically. You don't have to position each character by hand or select the right glyph. You can just click in a text box and start typing. Case folding and collation are far easier problems by comparison.