Certainly something they're aware of - the same concept was discussed as early as in 2007 on Less Wrong under the name "evaporative cooling of group beliefs"

https://www.lesswrong.com/posts/ZQG9cwKbct2LtmL3p/evaporativ...

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thedudeabides5 4 days ago | parent [-]

haha, classic LWer reply

"someone wrote a weirdly labeled thing about this once so they must not be subject to the phenomena'

does the existence of a piece of writing on a topic really immunize the community from the disease @doubleunplussed?

	▲	doubleunplussed 4 days ago \| parent [-]
		I didn't say it did, I said they're aware of it. Also thought it was worth pointing out that the LW "weird label" predates the label in the comment I replied to.