It's not profitable yet because people can still switch to other browsers. When chrome has a monopoly, they will be gone in a heartbeat. Also, look into what c

It's not profitable yet because people can still switch to other browsers. When chrome has a monopoly, they will be gone in a heartbeat. Also, look into what chrome recently did to the APIs adblocker extensions use, even in the current market google is already making adblockers less potent in chrome.