Relations and activities forbidden under anti-fraternization policies may be romantic and sexual liaisons, gambling and ongoing business relationships, insubordination, or excessive familiarity and disrespect of rank.
The War Office notably published that German women "will be willing, if they can get the chance, to make themselves cheap for what they can get out of you" in its handbook distributed to soldiers stationed in Germany.
[3] Many schools and universities prohibit certain relationships between teachers/lecturers and students to avoid favoritism, coercion, sexual harassment, and/or sex crimes enabled by the teacher's position of authority.
Court decisions in some US states have allowed employers a limited legal right to enforce non-fraternization policies among employees, forbidding them to maintain certain kinds of relationships with one another.
Since the 1990s, such corporate policies have been increasingly adopted in the United States in the pursuit of objectives such as protecting professionalism and workplace productivity, promoting gender equality and women's rights, or avoiding and mitigating the impact of sexual harassment lawsuits.
The decisions and the policies they protect have, however, been criticized on various grounds: as illegitimate constraints on individual freedom of association, as tools for companies to punish participation in labor unions, and as expressions of overzealous political correctness.
Reasons include interference with concentration, potential fallout for the images of teams, the possibility of sex crimes or sexual harassment, and attendant legal liability.