By accepting to work on the British Pavilion in Venice, Hatherley has confirmed his "armchair radical who'll never really be a threat to anyone and won't rock anyone's boat" status.
Of course, the trick is that there is no obligation on councils to adopt these space standards or require them to be applied. So just forget the whole thing. Like it never happened. Move on.
I know of at least one person who didn't go through the training, didn't belong to a professional body, did very much his own thing, never took a professional qualification and yet had a highly successful career. His name: Carlo Scarpa.