The problem is that (like modern economists) a huge % of what they believe is backwards. They are just as likely to say something needs to be done that will fuck you up as fix you.
Never accept their first diagnosis, always spend time reading yourself.
After doctor recommendations made all of my problems worse. Eating red meat + salt, solved my gut issues, made me leaner, lowered my blood pressure, & just generally improved my health. If they don't know something so basic, they basically know nothing.
In any discipline the basics are the key to everything else.