Most VP's do not sell computers (or even software). They sell goods and services that depend on computers. What you're saying is more like "a VP at UPS or FedEx

Most VP's do not sell computers (or even software). They sell goods and services that depend on computers. What you're saying is more like "a VP at UPS or FedEx should understand everything about engines." That's ridiculous, you don't need to understand how trucks work to know they move goods from point A to point B.