The real problem is when people are not equipped to or are not comfortable enough to decide what is good advice/recommendation and what isn't.
Yes, this, very much so. So the woman who raised you from a pup, or the doctor you're entrusting the child's health to on a macro basis, are generally pretty safe places to start, yes?
Unless it's my mother we're talking about. She did her best to kill me several times. I would take her advice on luxury hotels, but not on babies, if I wanted said babies to stay alive.