It’s actually “us” in the political tech space that started using techno optimism as derogatory I think. I don’t know why you think that techno-optimism label was ever a good one and then co-opted :o
Cyberpunk was co-opted by the Californian ideology but “techno-optimism” I don’t think so…
I still haven’t played it but I have it on my list thanks to an Italian review that pointed out some healthy aspects: