The explosion between Ruthie Brodo and Nina Kachon is much more than just a professional insult - voila! culture. Since I did not know him before, he was indeed the fascinating character of the season.
He insulted those around him - Kobe Oz is in his eyes a swindler, he called Anna Aronov "Siberia". In between, he talked about the personal package he was carrying. His father was a watermelon seller, a job that did not seem respectable enough to the father of his first girlfriend.