Did David Beckham intend to protest the Glazer ownership?

What is this white square? Is it nothing? Is it a symbol of something wonderful yet to fill it? Is it the contents of David Beckham's brain?

I am including a blank white square above because analyzing that square is like what the press is attempting to do in deciphering what David Beckham meant, if anything, by putting on a green and gold anti-Glazer protest scarf last night after the Milan-Manchester United match at Old Trafford.

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