I agree with this blog post. But I don't think Mozilla lost. I worked for Mozilla for a few years, after seeing John Lily (CEO at the time) speak. It was right after Chrome started getting popular, and a smug person in the crowd asked him about how he felt about Chrome. John's response was awesome. "This is the web that we wanted. We exist not because we want everyone to use Firefox, but because we wanted people to h…
I definitely run into sites that only work on chrome and not in any other browser.
In my opinion chrome isn't doing a good job either. It's a massive energy hog and waste more CPU than it needs to. Unlike IE and FireFox and Safari it comes from a company that is notorious for wanting to know everything about you.
The time to celebrate victory was a few years ago. Now it's starting to look like the new boss is the same as the old, maybe worse.