That’s true if you’re only talking about what was once called ‘natural philosophy’, but there are still many areas where philosophy and physics don’t really overlap - ethics, epistemology, aesthetics, language, existentialism, etc.
I would argue that it absolutely applies to both existentialism and epistemology. Epistemologists frequently concern themselves with questions about the limits of human knowledge and understanding without actually going there themselves.
That’s true if you’re only talking about what was once called ‘natural philosophy’, but there are still many areas where philosophy and physics don’t really overlap - ethics, epistemology, aesthetics, language, existentialism, etc.
I would argue that it absolutely applies to both existentialism and epistemology. Epistemologists frequently concern themselves with questions about the limits of human knowledge and understanding without actually going there themselves.