I may not be understanding your proposition; this is what I am taking away right now:
Sir William

Indeed, you’re not, and I reject the premise of your hypothesis/argument. 
I turn over your continued inquiry to others who have written more on the subject: 
1. http://info.shiftelearning.com/blog/the-true-cost-of-not-providing-employee-training
2. https://www.fastcompany.com/3068451/why-this-tech-company-hires-people-with-no-experience
3. https://www.forbes.com/sites/davidkwilliams/2012/06/13/the-case-for-hiring-under-qualified-employees/#2945fda65078

Should you have further questions after this reading, I encourage you to conduct your own research.