I wonder if not having `what` comes from two things: 1. the underlying OS error not containing what 2. some edge cases in which you don't have a what, or at l

I wonder if not having `what` comes from two things: 1. the underlying OS error not containing what 2. some edge cases in which you don't have a what, or at least not a clear one 3. paths, especially absolute paths, always being prone on leaking personal user information