An unqualified personal trainer can cripple you for the rest of your life. Good luck collecting from that uninsured genius
Uneducated nutritionist can foul you up in really bad ways. IE the current “celiac” diet fad.....
Gyms have their own safety regulations and it would be difficult to injure someone in otherwise acceptable while following them. There are more than one set of eyes here.
Unlicensed CNN and MSNBC “journalists” can turn your brain into mush!