Board Thread:Questions and Answers/@comment-8864605-20140629153823/@comment-1317092-20140629214140

No matter the fantastic elements, they still have an inner logic. For example, it would be crazy to have Shredder suddenly flying by his own power, because in the inner logic of this series, normal humans don't fly unless wearing devices for that or having been mutated. Therefore, we aren't discussing general logic, we are discussing the series' inner logic.