You can gauge user interest by, for example, counting page views. You don't need to fingerprint users, create a catalog of all articles they view, try to guess

You can gauge user interest by, for example, counting page views. You don't need to fingerprint users, create a catalog of all articles they view, try to guess their interest in certain topics using "AI", and do all the other absurdity that they think they "need" to do now.