Listen, I'm not saying that there isn't a bias, there should be. Indications from theory, measurement, and computational studies all show a warming trend. Focusing on process and magnifying differing interpretations in the community is another way to distract from the trend of information continuing to arrive every day. Read the article I linked at the root of this thread as an example.

"Questioning the assumptions distracts from the importance of the conclusion."

Also, having to face the zombies of various anti-science factions could've given the editors of Science and Nature a fortress mentality that detracts from the pure process of science review and publishing. Yes, everyone has an axe to grind. Some axes are used for assault and some are used in defense.

"They made me do it"