Nothing can be far from the truth.
It does not respect any class or society and can affect anyone. A form of scabies, affecting very clean people is aptly called gentleman scabies . The good news is it can be treated very effectively. It is caused by a 0.3 0.4 mm mite, this mite creates havoc with peoples life causing intense itching at night. Once they reach the skin they burrow slowly and form more mites from the eggs laid in the burrow.