Between criticism and insult…

What is the line that distinguishes between criticism and insult? In light of the formation of the government, I encounter all kinds of statements.
Let’s leave aside for a moment the political context and what the rabbi personally thinks about the following:
Kathar must have gone out to watch Uncle Amsalem’s speech in the presence of Mickey Levy.
And if not
So the above-mentioned man read in the Knesset to Mickey Levy his shouts criticizing the Norwegian law when the previous government was formed a year ago.
What is called nowadays a mirror.
On the one hand, the claims are legitimate.
On the one hand, it’s really whitening.