Presumably more people there have read hn at least some. But there's perspective having seen the ebb and flow of hn/the rest of the ecosystem for the last 16 years and how that intersects with deepseek culture.
It's clear openai culture is influenced by yc culture, which would be clear to an hn user. Google/ant/spacexai have influences hn users users would be familiar with. Hn users from them would potentially know the friendfeed connections to yc/vc/openai, 500 startups/techstars etc..