Did AI kill the SEO stars?

One of the most asked questions for me in recent months has been "Do I still need SEO as people are searching through ChatGPT or Gemini".
While it's a legitimate one, asking it forgets about how these AI assistant work: for most questions you asked them, they start by doing... a search on Bing or Google. You're not on Google or Bing? then you're not in ChatGPT or Gemini.
But that does not mean SEO is the same. The behind-the-scene searches AI systems perform are not the same as the ones you would do. And this definitely has an impact on how your website should do SEO and content.
During this talk, I'll try and review what we know at this moment, and what could come in the near future.