Comment by dlubarov

Jimmy Wales has no involvement in editing such articles. The Wikipedia Foundation doesn't involve itself in such matters either. For example, when concerns were raised about the ADL (a Jewish NGO) being banned as a source, they responded by (correctly) explaining that "neither the Board or the Foundation make content decisions on Wikipedia. A community of volunteers makes these decisions".

Such content matters are entirely community decisions, so of course a biased community results in biased decisions.