Am I mistaken in thinking that the issue was scaling not supported by the box2d physics library and that they needed a custom workaround in their engine?
You are not mistaken (if I remember correctly, full disclosure; I used to be an engine dev on Defold).
Not sure why Hokusai tried to point to that forum thread in this case, which shouldn't have anything to do at all with his comment? I guess, we will never know. :)
Not sure why Hokusai tried to point to that forum thread in this case, which shouldn't have anything to do at all with his comment? I guess, we will never know. :)