[imajoredinecon]

This article makes a couple highly misleading claims about the privacy properties of the feature and its value - would suggest reading the docs to see how it actually works then forming an opinion

In particular saying you’re sending your activity to Mozilla is not accurate: you’re sending the output of a postcomputation step that makes it cryptographically infeasible for Mozilla to see your activity.

[delichon]

That's nice but I also care about being profiled by advertisers. I'd even be OK with an opt-in to that. But an opt-out isn't good enough.