No they shouldn't, don't like it then don't buy the game. As far as I know there isn't usually an option to turn off swearing on dvds, they rate them in a specific way so you will know what you might be in for and if you don't like it then don't buy it simple as that.
How would you like it if I lobbied to get something you liked changed to meet what I want?
That's called voting and it's sort of the foundation of our entire country so I think we're all okay with that.
No you are ok with that in theory so long as it doesn't affect anything you care about (assuming that column isn't empty). The minute it does you will change your tune.
http://psnprofiles.com/goatjugsoup1278 GW2 Character Name: Ranger Goat of Yogi, Guild: Knights of Chicken