I think the tail is shown in perspective, pointing away from the viewer. It’s much bigger and would have been an effective counter balance. It’s also probably still affected by the “shrink-wrapped dinosaur” phenomenon and actually had much meatier bits, we just don’t know where. Hell, it could have had elephant trunk-like noodle arms and we wouldn’t know it. How terrifying would that have been?? https://pleated-jeans.com/2024/11/02/paleo-artist-shrink-wrap-animal-pictures/