No, I’m pretty sure the writer has it backwards - kinda. Doing the steps listed gets you the endorsement for Aerith from the person they mention. As a result, to kill time while the person glams up Aerith, you do the OTHER person’s set of side quests. So if you get Madam M’s endorsement for Aerith by making Madam M…

I loved this write up! I adore MGS2, though I will agree with some detractors that this game does go off the rails a little bit... I put a near-infinite amount of hours into this in the early 2000s trying to collect all the dog tags, get the best ratings, etc.