A distance of 14 points is a very far thing for Milan to pursue at this time because Juventus, which is already in third place, certainly has more points than that. So at the moment there is no team capable of chasing the points that Inter Milan currently has, so fans of the Italian League will currently only see and enjoy the competition in second, third and top four positions in the standings. Because the hunt for this position still looks quite fierce at the moment and is likely to continue until the end of the season.
Inter is already the champion, all that remains is a formality, to finish the matches so that Milan loses even a theoretical chance of catching up with them. Inter played a draw with Napoli, but I think this happened because they had a very difficult match with Atletico Madrid, and they did not have time to recover from this match. I also doubt that Juve will have the strength to bypass Milan, their attack is too weak for this. The whole intrigue is whether Roma will be able to displace Bologna from the top 4 or not.
Of course, they didn't listen enough. This is a big factor after the Atletico Madrid match, but if Napoli had played another match with the general situation in a state of recovery, perhaps the same result would have occurred. No matter what the result is, it doesn't matter to Inter, they are now waiting for the championship and the rest is just a formality for the matches to end.
For Napoli, they still have time to get into the top four and in fact, it can be said that they are back. They were eliminated from the Champions League, now is a good time for them to focus entirely on the league.