"Also heard that in some building codes, nails are required vs screws because screws can shear off whereas wire nails will not. (ie. earthquake building codes)"
"Doesn't seem very safe, I'm thinking the torque and vibration from the spinning blades alone would cause it to spin. I just mount my planer laterally so I can feed in from the side and reach over and grab it as it comes out. The simplest solution is usually the best."