You're not wrong, but if you had some of the tech from the Boston Dynamics robots, you could imagine something smart enough to either retain balance in the firs

You're not wrong, but if you had some of the tech from the Boston Dynamics robots, you could imagine something smart enough to either retain balance in the first place, or take a forward/backward roll to prevent a more serious injury. The Father here has done a fantastic job, I'm sure his son is thrilled to be able to take some steps -- also the low-tech tether from above solves the falling problem for the moment which presumably lets him get on with solving other issues. Well done Dad!