How many people are at the intersection of (a) being able to competently use CAD software or specialized software for physics or engineering and (b) being unabl

How many people are at the intersection of (a) being able to competently use CAD software or specialized software for physics or engineering and (b) being unable to write a simple script? Literacy isn't about reading all the time, it's about being able to read if you want/need to. Same with computer literacy.