This is by default leading to a more distinct,respected,well-paid profession.该怎么理解?

This is by default leading to a more distinct,respected,well-paid profession.该怎么理解?
总觉得理解起来有些怪,主要是该怎样合适理解by default在句中的含义
First let us look at what a person can typically gain from a successfully study at a university.It is a diploma or a degree.This is by default.........profession.