> Well there are reputable institutions who will vouch for the surgeons experience. Literally anyone can put that they have 7 years experience as a software dev

> Well there are reputable institutions who will vouch for the surgeons experience. Literally anyone can put that they have 7 years experience as a software developer on their cv The reputable institution is called their previous employer(s). If someone has worked for a recognized company for 7 years writing production code, that's the same as the surgeon having done those 7 years in a reputable hospital.