Yeah. Joking around helps build camaraderie, and makes people want to stay working there. I'm not sure who or where these hypothetical pearl clutchers, who can't handle a codebase with jokes or a bit of swearing, are, or why management care so much about them hypothetically encountering the codebase and getting upset. Sanitising everything and making it family friendly just makes workplaces even more soulless, rather than letting us have a bit of character in our work. At best it makes you look humourless, and at worst it can make people feel anxious about causing offence, if it's particularly strict policing