The season is still too long, Atalanta may only be able to maintain the top of the standings temporarily, Napoli and Inter Milan in my opinion are more reliable to lead the standings in the future. Lazio must work hard to maintain their current position, while hoping they can compete in the top four of the standings. Juventus and AC Milan may only rise towards the second half of the season, when that happens, the competition in Serie A will be even more competitive.
As you said, Napoli can definitely play well again, because this season Napoli doesn't have a busy schedule like the other big teams in Serie A. Therefore, it is certain that Napoli will be able to focus on continuing to develop strategies and also see the weaknesses of their opponents. Apart from that, talking about Atalanta, I don't think we can just underestimate this team. Because in the previous season Atalanta was able to become champion in the European League (UEL). So with this, I think Atalanta will be a little difficult for Napoli to get rid of. Therefore, Napoli now needs to be more focused and maintain better consistent performance. Because in my personal opinion the competition in Serie A this season is much tighter than in previous seasons.