1) Betraying your clan so the village that has treated them as second class citizens (Senju were always #1) so Konoha would be safe from outsiders?
2) Telling your little brother to feed off hatred just so he could kill you and return to Konoha a hero (He underestimated Madara, Itachi only told 1/2 the truth!)?
3) Postponing a Shinobi War, just because you were too weak-minded to die with your clan?
Itachi Uchiha might be beloved and have a large fanbase, but everything Sasuke has gone through, Itachi has created for his own personal gain!
2) Telling your little brother to feed off hatred just so he could kill you and return to Konoha a hero (He underestimated Madara, Itachi only told 1/2 the truth!)?
3) Postponing a Shinobi War, just because you were too weak-minded to die with your clan?
Itachi Uchiha might be beloved and have a large fanbase, but everything Sasuke has gone through, Itachi has created for his own personal gain!