Balancer CowAMM was never announced there.
Arbitrum and Base deployments were never announced there.
I only found out about them when I went to swap some tokens which I don’t do very often.
Twitter/Discord/Telegram/etc are literal cancer. I use an RSS Reader to get blog.cow.fi updates. Post the actual news to blog.cow.fi , then post a link to that blog + a headline to the various social media sites.