I don't disagree with you. Maybe a more nuanced way of putting it than "not my job" is to ask "what is my role to play here?" In a smaller company/start up, you

I don't disagree with you. Maybe a more nuanced way of putting it than "not my job" is to ask "what is my role to play here?" In a smaller company/start up, your role might well be to look for things that need doing and do them.