I'm afraid we have far more basic problems than that - illiteracy in their fingers. We have people who can't use a knife or scissors, let alone a power tool. 3

I'm afraid we have far more basic problems than that - illiteracy in their fingers. We have people who can't use a knife or scissors, let alone a power tool. 3D printing is an excellent introduction to just making an actual object in the real world. It's cheap and accessible, and has obvious design limitations to fall into and learn from. The step from 3D printing to full CNC is a lot less than the step from nothing to 3D printing.