There's an argument against intelligent design right there (4 or 6 fingers per hand are obviously better).
I'd wager Gawsh made the best system S/He could given product constraints (completely unfocused if you ask me [which I know no one did]) and the real need to deliver (take it easy over there Leibniz, the world is still crap as evidenced everywhere).
Anyway, can't knock it 'til you've built it.
This is an interesting article: https://www.scientificamerican.com/article/why-do-most-speci...
> Is there really any good evidence that five, rather than, say, four or six, digits was biomechanically preferable for the common ancestor of modern tetrapods? The answer has to be "No,"