There was never any plan to restrict anything else (although if your github URL is your name, like mine, I guess it would defeat the purpose.) The point was tha

There was never any plan to restrict anything else (although if your github URL is your name, like mine, I guess it would defeat the purpose.) The point was that people often put their name (like in the article) in a large font at the top - replacing this with a faceless number just reduces the initial "put the girls and people called 'Singh' in that pile over there" nonsense, at makes people actually read the CVs.