<nomex suit on>
I understand the resentment felt by the regular instructors when airline pilots come along and are allowed by the FTO to take away instructing opportunities from them.
There isn't any affinity between the PPL syllabus and what it is like to fly commecially in a jet. So let's lighten up a little avoid observations like "those who can etc."
Some of us actually prefer to fly the many different types of small GA aircraft and enjoy teaching what it is like to fly such aircraft and the fun you can have once you have obtained your PPL.: