>Your career is dependant on good recommendation letters and goodwill of quality advisors life pro tip: for any paper with more than 2 authors, the last author

>Your career is dependant on good recommendation letters and goodwill of quality advisors life pro tip: for any paper with more than 2 authors, the last author is the most senior and did the least amount of work (if any). i leave it to you to conjecture about quid pro quo.