Yes, I understand. To my knowledge there isn't a backlog at the Naples embassy, but it doesn't look like there are people going through Naples here to get an idea of the timeframe.
I was very interested to see that according to the Feb 2023 filers people applying to the embassies in Hong Kong, Barbados, Bulgaria, Rio de Janeiro, and London got their Interview Letter in just 4 to 7 days after DQ. I'm hoping to start hearing more of the same for March.