Because he's the former president of YC. One of the powerful people you'd be pissing of by doing this is Sam Altman.
Edit: moar elaboration please
Edit: she seriously said that re:Pornhub?! What is her association with porn and why would she bring that up?
Edit: unless the words came from her mouth, I wouldn't blow it up any further
Also, why doesn't she just hire a lawyer to help her sign up ?
The "powerful" people outside, matter a lot less. No matter what you do, if you're influential, about half the powerful will hate you and half will love you.
I have no idea what the actual implications are of the relation. But it's there and it's suggested his network of friends from YC could bolster his position with OpenAI. No idea if that's true, but it's not like it is so strange a notion that it merits "playing dumb" like you're doing.