Excellent observation Richard! Our new turner does not know what he does not know! Many years of applying acquired knowledge will take one on to being a good turner, but as we both know, the learning curve is fairly steep in the turning world! My first bowl was turned with a spindle gouge, as that was all I had at the time. Geez, now I have probably a dozen bowl gouges with differing grinds for different cuts! The vortex will reveal much as he goes along!
Good to see you post here!