“While the specific repercussions of warmer Arctic seasons and the severity at which those repercussions will be felt requires further research, the study effectively underscores the interconnectedness of Earth’s atmosphere.”
I.e., rather than admitting failure, we’ll adjust our models so that they can predict the past correctly.
That's actually the best way to create a model that works. The problem is that their models so far don't "predict" the past correctly. So they don't talk about the assumptions they've built in, and stay focused on their empty assertions and ad hominem arguments.