It's the dunk tank.
This is where you come to post big-brained hot takes by chuds, libs, or even fellow leftists, and tear them to itty-bitty pieces with precision dunkstrikes.
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There are lots of other 
moments there.
"Single payer economies leads to bad things like Bolshevism and Stalin"
@[email protected] Let's hear your rant
"Extropian" was the 90s era term that capital-R "Rationalists" called themselves back then. The implication was a giant "nuh uh" to mortal limits and human limitations, including entropy itself as the name suggests.
At a casual outer circle level, I used to be one of them. I used to attend the so-called "futurology" conferences in my local area. I watched them get fully bought out by billionaires and I saw the military-industrial complex set up shop there.
But according to Palo Alto Uber Alles the MIC and Silicon Valley goes back like 50 years
Ah, the Hubris Society
I don't doubt that, but it wasn't so brazen as basically military recruitment booths right at the conventions until around the time I was so disgusted that I stopped going. That was also when weird blood orgies involving "chipping" demonstrations right on stage were in vogue. It was like the weird shit you see on the "carousel" on the old Logan's Run.