Absolutely. Its to be expected that in Nostr-as-public-square your data is public and can be correlated with other identities. Public data is fair game for any actor large or small to work with. What isn't is your behavior  when working inside the client. The advantage for traditional apps is to record your scrolling habits with respect to the content you are subjected to and identify what effects your attention. Client developers future and present make the decision to add it in or not.