I had a high level google interviewer throw a tantrum because I didn't know the exact STL threading mechanism when I specifically said I could interview in elix

I had a high level google interviewer throw a tantrum because I didn't know the exact STL threading mechanism when I specifically said I could interview in elixir because it's my day job or C (not c/c++) because I also do embedded assembly. Like dude I can tell you the giest of how to handle concurrency management using multiple paradigms the exact library call on a specific language is just an implementation detail.