There is no need for those terms. They are marketing names dreamed up by people who think they can neuro-linguistically trick developers into thinking working f

There is no need for those terms. They are marketing names dreamed up by people who think they can neuro-linguistically trick developers into thinking working for them (usually for less money than they are worth), then they can get over on them. Again, what is the difference between a doctor who is one of the best in the world versus a doctor who is just 'decent'? What is the term that is necessary to describe that doctor that doesn't exist? Why would any profession be any different?