Why does Zizek keep cucking out on anti-semitism and racism with only non-sequiturs and ad-hominems? What makes him do it?

https://youtu.be/SkSV4xyKkds
https://youtu.be/DEXEVDPpW84
https://youtu.be/VP5xZOA1VAo
https://youtu.be/Wvj_gzClg_o
https://youtu.be/lPs6F9Niq4s
https://youtu.be/VBh8Yu5NWHo
https://youtu.be/Afy1mRcPh90