Enough people did. My point remains though, having a nickname doesn't seem reason enough. Nor does saying 'I want my first name.'
Obviously you accept there's a system, why does another countries media and populace dictate this.
Oh, and here's a link that should take you to a picture of him in a Mexico shirt with J. Hernández on the back https://www.google.co.uk/amp/www.caughtoffside.com/2014/06/19/image-manchester-united-striker-javier-hernandez-snapped-in-santos-shirt/amp/?source=images