IDK. It's kind of a stupid argument to make, really. Let's say I have identified as a hamster and 'knew' I was a hamster since I was five years old and now- in my later life, have transitioned into a hamster.
Would that invalidate my oath of enlistment back in the early 1980s? I mean, since I "KNEW" I was a hamster and not really a human being I couldn't bloody well enlist the King's Army, now could I? [Can't have sodding hamster's in the Coldstream Guards. Not bloody cricket. No, Sir, it is not.]
What about poor old Underground Panther? Since she is in fact a male Panthera pardus would that not absolve the various mental apparatus of the state in taking care of her? I mean Him?... It? Surely we could just put UP in a wildlife preserve... or Warpy's 'garden' to keep the rat population down.

