"The key to that statement was meant to be that a fighter is better at fighting in any given armour than any other guild in that same armour, not that you must wear any particular armour."

Ya. And the key to my opposition is I disagree. I think fighters should be worse at fighing in plate armour than a Paladin (or rather, a paladin should have no drawbacks for it, while a fighter should have some). \:\) And I never thought you had to wear some certain armour.