There's probably a word I've been pronouncing wrong my whole life that I don't know about
Just based on how often I notice someone mispronounce a word without realizing it (or have done so myself and realized it later). Statistically I'm probably still doing it with some word.
You underestimate the narcissism of small differences. As exemplified in the below recent local news clip that demonstrates the publics furor over the correct pronunciation of "pierogi."