> It's probably the kind of user that has telemetry off.
If less than 4% of users use uBO, which the kind of users you're referencing claim is the primary reason they use Firefox, I doubt many users disable telemetry either.
I believe some Linux distributions patch Firefox to change default settings including disabling telemetry. Probably not a big factor, but still something to think about.
If less than 4% of users use uBO, which the kind of users you're referencing claim is the primary reason they use Firefox, I doubt many users disable telemetry either.