They should also be opt in. Having a subdomain that almost no one knows about and requires adding a search engine to browsers to make default which most people don't even know you can do is not good enough.

This post has been seen at least four times on Lemmy so far (including this post):

• Posted by hellnuh@lemmy.world to lemmy.ml/c/privacy - 4 hours ago, with 22 comments
• Posted by hellnuh@lemmy.world to lemmy.world/c/technology - 4 hours ago, with 11 comments
• Posted by hellnuh@lemmy.world to lemmy.linuxuserspace.show/c/news - 4 hours ago, with no comments

DuckDuckGo launches ad, with no plans on responding to AI critics with anything but "that's your choice"