Yikes, and also yay science figuring out something that they weren't sure about before.

https://www.space.com/scientists-solve-climate-mystery-holocene-temperature-conundrum

It's pretty interesting, sounds like there was a discrepancy in the climate model, and this work solved it. Well this particular discrepancy. The article doesn't say anything about other discrepancies or how big they are.

Always good to get models matching reality a bit closer :)