Lots of legitimate reasons to view Chinese AI as a threat. But A16Z and Anthropic and OpenAI are probably mostly worried about competition, especially from open weights models.

Yes, we've seen this several times

(13+9+10+11+5 points, 1+1+1+3+3 comments) https://news.ycombinator.com/item?id=47981288 https://news.ycombinator.com/item?id=47985073 https://news.ycombinator.com/item?id=47999538 https://news.ycombinator.com/item?id=48012499 https://news.ycombinator.com/item?id=48020412