Yeah that's a better way to put itIt's not all about mood. A lot of the stuff Pynchon talks about is legit. He was referencing things like MKUltra and the Herero genocide long before they were public knowledge.
The difference for me is he's been writing about this stuff for decades, he was doing it at a time when it was fresh and there was a lot of material to mine and he's a much better writer than pretty much anyone taking cues from him.
The stuff you get on Twitter nowadays feels like people sifting through increasingly trivial leftovers long after the party's ended.