Naruto Thread (Spoilers For Sure)

Could it be that building Izanami up is taking Itachi's concentration and power? because he's been getting beat up by Kabuto while Itachi's done nearly nothing. Maybe it's just all the elements involved, like not being abler to kill him plus having to watch over Sasuke's butt and Kabuto having like a jutsu from like a trillion people. (Obviously Itachi took all the brains from the Uchiha family cuz Sasuke can do shiet on his own other than use brute force).