I see Firefox doing user hostile activity all the time, so I’m more inclined to think that are using telemetry in the slowly boiling frog analogy. The extension

I see Firefox doing user hostile activity all the time, so I’m more inclined to think that are using telemetry in the slowly boiling frog analogy. The extension download data even without telemetry shows people want multi row tabs but they’re not putting it in by default. I am not sure how much the data is being used to improve user experience.