This reminds me of Ken Thompson’s speech on trusting trust. The recursive/meta nature of it all has helped me explain to those unfamiliar that this is such a waste of time. Education is where it’s at, but I’m preaching to the choir here on HN.
Trying to restrict the non-printed ICs you'd connect to your 3D printed parts would be even dumber. There's a zillion things that can slam out bits and control a stepper motor.