I think it's worth approaching this with an open mind and giving Firefox at least a little bit of the benefit of the doubt. It's pretty plain to see how such aggregate usage data would lead to a better product for everyone.
How many people here use website/app analytics to improve products they work on?
Browser performance is very closely tied to specifics of the content. That's why optimizing for e.g. JS benchmarks doesn't always result in a browser that feels any faster.
How many people here use website/app analytics to improve products they work on?