Firefox's beta feature "Smart Window" shared browsing and search history to AI models without prompting

https://lemmus.org/post/20820090

So sad for Firefox. I try to keep using since it’s the only solution free of Chromium, but I guess chromium will control everything only Safari will not be chromium.
Librefox, waterwolf, mullvad, fennec?
They are using Mozilla’s right? If the Mozilla org dies all this projects will be underwater.