People tend to have pretty stiff sticks up their arses in such discussions.
Humor, even toilet humor, can remove fear and remind everyone that a debate over a semicolon is not necessarily a life/death situation.
It's like someone yelling and acting up when other people are talking about something important to them, just because that person is bored and doesn't care about the topic.
If you are bored, go somewhere else.
And the net result _every_ single time is that the bug gets locked so no one can post to it. Sometimes they unlock it again after the reddit idiots have left.