The Hollywood production code of the 1940s insisted that the sanctity of marriage and the home be upheld. Impure love must not be represented as attractive and beautiful. Adultery must be punished. Sexual perversions, white slavery and lustful kissing must not be shown and there must be no nudity, obscenity or profanity. Words such as nuts, nerts, fanny, gawd, cripes, hell, and hold your hat were not to be used.
One wonders how on earth great movies like Ford's 'My Darling Clementine' or 'She Wore A Yellow Ribbon' and so many of the Hollywood war movies managed to convey the tough sweaty characters who helped win the West and World War II.
It's a pity today's movie makers seem to think it only takes four letter words to create the impression that a man or woman is smart and tough.
How much foul language do you use or hear in everyday real life? The excessive use of four letter words is usual by the less fortunately educated who know no other way of expressing themselves adequately.