Rather, it's a recognition that it's not worth it to engage when the odds of the question being honest are slim. If you are curious about bias on Wikipedia, the information is readily available. There's even a Wikipedia article.

It's a nice Wikipedia article, and highlights that the people most critical of Wikipedia are cranks (e.g. Larry Sanger, Elon Musk), and that most studies trying to objectively discover bias find very mild and isolated examples of bias.