[Analysis of Reddit-normie stance on Younger-Dryas]#3 - "Two new studies refute the hypothesis that one or more comets/bolides struck North America approximately 12,900 years ago triggering rapid climate change and the start of the Younger Dryas period" - 2 Years Ago

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This seems to be where the pair of 2016 anti-YD papers were published.

This seems to be their favourite point:

"Each paper shows that the evidence and interpretations supporting these two lines of arguments do not stack up. "Impact proponents report the rare form of diamond, lonsdaleite, that is usually associated with shock processing; however, we show that they misidentified polycrystalline aggregates of graphene and graphane as lonsdaleite," said Dr. Tyrone Daulton, lead author of one of the papers. "Further, we show that the nanodiamond concentration measurements reported by impact proponents are critically flawed. There is no evidence for a spike in the nanodiamond concentration at the onset of the Younger Dryas to suggest that an impact event occurred.""

I'm certain this has already been addressed by later work by the Comet Research Group, I'll work on this point later.

Another interesting note is the repeated attempt to blame humans for the YD extinctions and say that these tales of floods ARE from many cultures but that they were just many, small floods (which is the current scientific consensus).