I think you're bending over backwards here to rationalize this 'review'. Assuming this person does use throwaway accounts as you suggest, you'd have to believe that in February of last year, they were busy writing a dice-guessing game and a rock-paper-scissors implementation and in February of this year, they are experienced enough to write a lengthy critique of the architecture of someone else's project. A review, by the way, that is longer than the code it criticizes.

If you believe that, that's fine. I don't.

As for the correctness of the 'review', it is absolutely nuts. Total nonsense.