rip for firefox then, is this would start an enshittification for ff??

Chrome became successful for the same reason Firefox became successful

enshittification of IE -> Firefox's rise

enshittification of FF -> Chrome's rise

Any unbiased person can verify the timeline

https://www.wired.com/2005/02/firefox/

https://visionarymarketing.com/en/2008/09/03/chrome/