In the fog, yeah. Nobody is perfect, no matter how much flight time they have. Especially if their inner ear decides to get it wrong.
“A superior pilot is one who uses his superior experience and wisdom to avoid getting into situations which require a display of his superior piloting skills.”
Proper IFR training REQUIRES that you be put into a vertigo situation and then demonstrate that you can fight your senses and choose to believe your instruments.
Another requirement is the ability to tell your Boss/ passenger “No, this is not safe. We’re turning back. “