Is it possible that there's at technical reason? Or not really
They clearly have the ability to disable AI in search but just refuse to.
The complaint is not about the search results or ranking algorithms...
It's 100% free (of tracking and cost).
1: https://chromewebstore.google.com/detail/beeline-search-avoi...
Extensions are a security risk, userscripts are a security risk as well. Too bad all the current browsers are user antagonistic :|
Obviously the results were not driven by the same AI that produced the summary.