>Edit: I should also say that it is a “known point of contention” where pro-privacy people have been pushing back on this phrasing. So, you have probably accidentally stumbled into an ongoing discussion, which is why some of the comments might be unexpectedly prickly.
Yes, because people will say that something should be opt-in, meaning off by default, and then someone makes it on by default and says 'oh, it's opt-in, you're just opted in by default!'