> Firefox's declining market share over this period is very good evidence
The only evidence we have is that Google's marketing team has been very effective at advertising Chrome. :-P
> Many of us long-time Firefox users have actually found the past three years to be the worst so far, in terms of design.
I'm not sure why you think you can speak for many Firefox users.
> rush to copy Chrome in appearance and behavior
I'll quote myself from a different discussion [1]:
Outside of manilla folder-like tabs and a panel menu, Chrome is given far too much credit in innovating the direction of browser UI. Tabs on top is an objectively better UI choice [2]. The download manager is an original Firefox design [3] and almost anything else that other browsers have adopted (tabs on top, start page tiles, etc) is all from Opera.
> now it's declining because it's providing a worse experience, and the recent changes clearly haven't been helping the situation.
FWIW, Firefox has held steady over the past year hovering around 20% according to Net Applications [4], and they even had a small uptick in the past month. In any case, I am confident Firefox lost users because of Chrome's superior performance and snappy behavior, not because of UI changes. I think projects like MemShrink [5], Project Snappy [6], and the revived Electrolysis [7] will go a long way towards improving Firefox's performance. Will those changes be too little too late? Who knows. Will the upcoming Australis design be the last straw if your theory holds true? That's up for debate.
I've recognized your handle on other Mozilla/Firefox related posts on HN and your comments seem to be universally negative [8]. Have you had a bad experience with the community? I understand strong dislike for a company or product, but it just seems...difficult to hate on such an underdog like Mozilla. :-P
/says self-declared Mozilla fanboy
[1]:http://www.reddit.com/r/firefox/comments/1fhgak/mozilla_plea...
[2]: https://blog.mozilla.org/faaborg/2010/06/24/why-tabs-are-on-...
[3]: http://limi.net/articles/safari-downloads/
[4]: http://www.netmarketshare.com/
[5]: https://wiki.mozilla.org/Performance/MemShrink
[6]: https://wiki.mozilla.org/Performance/Snappy
[7]: https://wiki.mozilla.org/Electrolysis
[8]: https://www.hnsearch.com/search#request/comments&q=firefox+P...