I would take that over the current version, at least its intentionally hilarious and tongue in cheek lol. So glorious.
For them to run in an organic and not stupid way. Thats like saying a cheetah should run like a moron not bending its limbs because it isn't the smartest animal ever. I always picture orks running kinda like gorrillas since them have more developed upper bodies. This means they have more of a loping or bounding gait not the current "I got a stick up my ass!" One.