His Italian wasn't bad at all! His grammar and accent were all over the place (which is expected obv), but it seemed to flow quite nicely when he was using the more common/general phrases

I think the reviewer just misunderstood the spelling of the word. My family is from Genova and I've never heard anyone mix up nona/nonna before

Isn't it SBK not SPK…?

We didn't just meet Jane Krakowski's character, she's been a rival for Gloria in a few other episodes (namely the teacher-parent conference day)