Altman and Thiel have long had YC connections (obv); and for the last year or so Garry Tan and PG have been full-throatedly cheerleading Musk and DOGE on their Twitter pages.
Then there's the many connections between YC and the 'defense' industry; you know, the one making billions of dollars from wars that people speak out about on social media.
It's very easy to explain why posts get flagged here. It's a lot harder to digest why they don't get unflagged. Especially when all the posts about it are quickly removed, every single one.