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Napoli don't have to mind about Inter Milan performances and results as if they win all 3 remaining matches, their mission in Serie A 2024 - 2025 season will be finished happily with Scudetto. If Napoli plays at their quality, they will get full 9 points and hence take Scudetto definitely.
That's exactly it. If Napoli think about the results of the matches played by Inter Milan, then it will be a burden for them.
However, if Napoli focus on full points in every match they will play with their motivation being Scudetto, I'm sure Conte will see his team lift the trophy in the match against Parma (if they win with a goal margin of more than 2). The key is, Napoli must win over Genoa with a score of 2 goals.