Alexis Brignoni 
No LinkedIn, I am not interested at all in feeding your AI or your unknown to me partners.
😡 I have no memory of having to opt-in to this.
😌 Happily turned off.
⚙️ Go to Settings -> Data Privacy -> Data for Generative AI Improvement -> Off
JCR 
@abrignoni @catsalad it was turned on for me as well and I definitely never opted in.