https://news.ycombinator.com/item?id=27319457 - May 2021 (238 comments)
https://news.ycombinator.com/item?id=26898266 - April 2021 (195 comments)
Not only did we not censor that, I recall holding back on moderating it. We moderate HN less, not more, when YC or a YC-funded startup is involved (https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...).
You're right about the second case - we moderated that as not on-topic for HN.