Aside: There is a specific clinical diagnosis associated with this kind of obsessive perfectionism, Obsessive-Compulsive Personality Disorder (OCPD). https://en.wikipedia.org/wiki/Obsessive–compulsive_personali...

OCPD is quite different from the similarly-named Obsessive-Compulsive Disorder (OCD), in part because people with OCPD tend to not see their obsessive thoughts and behavior as a problem, even when they are sabotaging their lives.