I thought this would be a somewhat clickbaity title, but not:
> This data will allow us to correlate telemetry IDs with download tokens and Google Analytics IDs. This will allow us to track which installs result from which downloads to determine the answers to questions like, "Why do we see so many installs per day, but not that many downloads per day?"
So it's basically to spy on people and track who's redistributing the installer or installing Firefox multiple times.
As a software developer, I fail to see how this would help fix bugs or anything alike.
> This data will allow us to correlate telemetry IDs with download tokens and Google Analytics IDs. This will allow us to track which installs result from which downloads to determine the answers to questions like, "Why do we see so many installs per day, but not that many downloads per day?"
So it's basically to spy on people and track who's redistributing the installer or installing Firefox multiple times.
As a software developer, I fail to see how this would help fix bugs or anything alike.