I run a weekly “SEO Myth Busting” newsletter for founders and just published a deep dive on this claim.
Key findings (with sources & graphs in the article)
90 % of SaaS sign-ups in our sample still come from classic organic clicks (the SGE panel links back). Google’s own ad-revenue dependence makes full zero-click AI answers unlikely
Traffic is shifting: generic content farms lose, trusted brands win. That’s an opportunity for small, expert products.
Happy to answer technical questions in the thread.