It's so common for people to throw out those accusations, despite zero evidence from the lesswrong crowd, because they need explanations that are way more comforting than facing down the scary implication that lesswrong "doomers" are right.

One thought path leads to business-as-usual comfort, happily motivated by trillions of $ in market cap and VC.

The other is dread.

It makes sense why people take the easy road. We're still battling climate change denialism after all.