Why are people still making reactionary arguments?

In a recent round, my partner and I read a necropolitics aff about Palestine, and the negs strat was quite bizarre. They basically almost went for the impact turn, saying IDF is doing good and that we're racist for criticizing Israel. The entire round in the 2NR became a theory debate about how we're racist and antisemetic. I still find it quite bizarre that that's even tolerated in debate? How would you handle it in such a situation.