Yep, this has long been an issue. Wikipedia articles on even slightly political topics are very one-sided. The rules that govern Wikipedia reinforce a certain set of views, and those who hold power in that community also share certain sets of views. Larry Sanger has talked about this trend for many years, but I am not sure there’s a way to stop the increasing bias in Wikipedia. The activists running it have too much…
Facts aren't views.
Interpretations of complex webs of facts often diverge along tribal lines and bias can easily leak through when editors need to decide which interpretations are authoritative.