Sometimes I hold myself back with what I write in my fiction. That's cowardly.
To be honest about what you're writing, you have to write stuff that may offend people's politics, morality, religiosity, sense of civility and sexuality. If I play it safe--avoiding offending readers by depicting characters and situations they may find offensive, then I'm not telling the truth and don't deserve a reader's money and time.
Real life is seldom like Disneyworld. Real life is what goes on behind the scenes at Disneyworld.
Stephen King summed it up well: