I'm a native speaker of American English, and I used to work with a bunch of Ph.D.s, mostly likewise native speakers, who adored correcting people's diction, on

I'm a native speaker of American English, and I used to work with a bunch of Ph.D.s, mostly likewise native speakers, who adored correcting people's diction, on many occasions including mine. Despite this, I have never in my life heard anyone, educated or otherwise, pronounce "forte" as "fort". From what dialect are you prescribing here?