What is an aficionado? According to this: a person who is very knowledgeable and enthusiastic about an activity, subject, or pastime; aficionados of the finest wines.
Synonyms: connoisseur, expert, authority, specialist, pundit, cognoscente.
As jazz enthusiasts, we primarily focus on instruments: trumpet, sax, guitar, piano, etc; consequently, we may not know about what I call a "jazz stylist" as opposed to a vocalist, that's because he imitates musical instruments.
Although we don't know everything there is to know, as "aficionados", it's our duty to learn.
After "Don't Worry, Be Happy", it's possible that Bobby McFerrin was taken as a joke by many of the masses, but as aficionados, we should know better.
https://en.wikipedia.org/wiki/Bobby_McFerrin
Here is a man who worked harder than most musicians honing his craft, and becoming a superb musician; he has earned this aficionados highest respect.