I strongly disagree. Minor changes in wording can affect the gender gap. It doesn't involve anyone saying something inappropriate. http://www.ere.net/2013/03/01/you-dont-know-it-but-women-see... Stereotype threat can dramatically affect test scores. http://www.reducingstereotypethreat.org/definition.html Most people have no idea these things exist. Fixing them takes more awareness than just telling off the "bad guys". You have to change your own behavior.