It is very privacy friendly […]
What makes you believe that? The most information I could find about this is that it doesn’t “save your session data.” The Orbit privacy policy also seems a bit bare, and I can’t decide if that’s a good thing or not.
Either way, you’re still sending data to a third party service to process. Might be worth it for some people.
You can have tools for recognition and not identification. Identification likely includes information that someone did not intend to share with you.