> Yes, and _that's it_! Just by getting someone to click on a site they find trustworthy, you are now able to extract country, device, browser, OS, time of access

So you'd be using this as an overly complex IP geolocation lookup and UA header parser? All of this information is either already known to you when you trick someone to click on that link (because they are on your website so you get the same data) or can instead be obtained by tricking them into clicking on a link to your website instead of that one (if it's an email for example).