IMO I would agree with this. I’ve found the range of adjustment to be far greater than sitting and a lot easier to get into.Those seated positions to me look insanely uncomfortable, using muscle to try to lean forward. Righties with right knee up, left down in a low kneeling I find much more stable and allow mainly bone on bone and a position that isn’t being held by muscles.
And if you could manage a pack/jacket/pump pillow between your arm pit and thigh, it becomes a very stable position after some practice.