If your workplace is riddled with swearing, start a collection box where each person who swears or is otherwise profane voluntarily puts in a dollar towards some charitable cause. When the contribution dwindles because there is less swearing, use the contribution box to work on some other behavior, like being grumpy. Aristotle said that to BE virtuous one need only practice virtue. At a cocktail party or wedding, you can walk away from an obnoxious guest. You can not do that at work when the obnoxious person is your boss, coworker or the whole company.
Training teaches people to allow everyone on the team to enjoy the right to a neutral environment.
In turn the company is more profitable and everyone is the better for it. This should go without saying. However, all too often, employees bring or keep such materials at work or call it up on the Internet. The workplace is no place for this material. Clean up the Humor Dirty jokes are the cheapest laugh.