This is not a "bias". There is precise legal definition for "genocide", and it was recognized as such. Israel goverment offials were very specific on record, what they will do to population in Gaza.
They also do not allow civilians to evacuate or to surrender!!! All exits from Gaza are blocked by Israel or their allies!
Which does not matter, because for Wikipedia, Journalists are a reputable source regardless of their bias. If the WaPo writes tomorrow that Hannah Arendt was a far-right extremist, that would be a valid source by Wikipedia standards.
They also do not allow civilians to evacuate or to surrender!!! All exits from Gaza are blocked by Israel or their allies!