I don't know why. You'll have to ask the chat group administrators. I'm just telling you how things actually work.

https://www.semafor.com/article/04/27/2025/the-group-chats-t...

I do not see the names of people in big tech business leadership positions, except maybe Andressen, if he counts. All the other ones look like media personalities or journalists or some two-bit SV founder.