I agree with you. Rudi garcia has just started working with napoli. So it is not so quick to judge whether he is a good coach or not . Napoli have performed in just two matches in serie a. And in both matches, their opponents were relatively weak. And so it is not difficult for napoli to win. Luciano spalletti was an excellent coach. With the help of spalletti, napoli's performances were stable from the beginning to the end of the season. However napoli still have a strong squad. If garcia's match tactics are good then napoli still have the potential to produce consistent performances.
Rudi Garcia is a good coach and he has enough experience with Serie A. He took over the Napoli coach position from Spaletti with a winning team. It is different than when he was a coach of AS Roma and he is ambitious to win a first big title in his career. Scudetto is a title he surely wants to win with Napoli as it will be a good achievement for his coach career after many years.
He will surely want to be recognized similarly to Ranieri and Spaletti after many clubs they work with and many bitter experience. So far Rudi Garcia and Napoli are on a good track to defend their Scudetto in this season.
I look forward to seeing how napoli perform against the big teams. But I also think that napoli will not be able to maintain the dominance like last season.
They lost Kim Min-jae and without the Korean central defender, it's unknown how their defense system will performance against big teams in Serie A. The defender is so important for Napoli success in the last season.