Statistically sure but then it’s on the algorithm to recommend stuff that interests you more. Reposting things is just spoofing the recommendation algorithm and making things more likely to bubble up to you which is always going to cut both ways. Some people want duplication, others don’t.
Pretty much. Although I continue to be annoyed this ever even needed to be asked. There’s literally a browser setting to communicate this “do not track”. EU really should’ve just forced everyone to respect it :/.