An enthralling weekend of Italian action ended with second-placed Juve prevailing in Turin thanks to defender Leonardo Bonucci using his knee to divert Mirko Vucinic's shot into the net after 54 minutes.
Arturo Vidal and Fabio Quagliarella ended Napoli's resolve.
"Contrary to what is being said, coming from the youth sector, I've found a united Inter, a big family," Stramaccioni, in charge at least until the end of the season, told Mediaset.
"It was only Inter v Genoa, but it was important, so therefore it was lovely."
The hosts raced into a 3-0 lead with Argentine Milito scoring twice within the first half-hour and his countryman Walter Samuel sliding home Lucio's cross in the 38th minute.
A 74th-minute Mario Zarate goal looked to have sealed the win but a frantic final 10 minutes, in which three penalties were scored including Milito's third goal, almost led to a draw.
The visitors had taken the lead through Andrea Caracciolo's deft header but Roma hit back when Marquinho equalised with his first goal for the club via a bullet header after 25 minutes.
The hosts went ahead nine minutes later when Osvaldo headed in Francesco Totti's corner and three second-half goals from Simplicio, Bojan Krkic and Eric Lamela sealed the win with Takayuki Morimoto scoring for Novara.
Fiorentina's recent slump went on as they lost 2-1 at home to Chievo, leaving them in
