> One big difference is that, at least in many jurisdictions, new (non-software) engineers need to survive what amounts to an apprenticeship. A second one is passing standardized exams and demonstrating experience before achieving the title.

"[M]any"? Outside of a handful of really anal jurisdictions like Canada I am not aware of any where this is a requirement. I chose not to go this route because I didn't see the value in it for the type of electrical engineering I was interested in.