In "Tearoom" Trade "Laud Humphreys" expounds on the gay person relations that occurred in different "tearooms" in an unidentified "American" city amid the mid-to-late 1960s. By professing to be a basic voyeur "Humphreys" clarifies that he efficiently watched these exercises and even recorded the tag quantities of a specimen of "tearoom" members. Why a number of sociologists believe that ethical violations occurred in Laud Humphrey's study of "tearooms"?

Why a number of sociologists believe that ethical violations occurred in Laud Humphrey's study of "tearooms"? ​