It just got introduced and NVDA needs to inflate its stock more.

But yes, I agree on principle: https://gist.github.com/bazhenovc/c0aa56cdf50df495fda84de58e...

I'd suspect some sort of economic factor, or sampling … e.g. just people with lower specs submitting and bringing down the average

Well, Intel abandoned hyperthreading with Lunar Lake, so it's definitely going out of fashion.