You are exactly correct but that is not what people really ask. It takes awhile for engineers to realize it. By that time they are stressed out and do not kno

You are exactly correct but that is not what people really ask. It takes awhile for engineers to realize it. By that time they are stressed out and do not know how to manage the PM. The PM is usually not a subject matter expert they manage tasks. They do not even know they need those things. So they fully expect you 'the expert' to know it. Is it 'right' not really, but it is reality and a side effect of how many people become PM's.