I don't get all the hate for Lelouch, sure what he did to Agatha was shitty, but he did need some way to figure out his limits and abilities, otherwise his plans might fall apart at the worst moment, or he can't plan around it... Those last few possibilities would likely result in more causalities among both his own troops, probably the enemy and any civilian bystanders.
And think of the bloody death-toll he did reap, compared to that... is giving one girl a mild derangement so much worse than causing the death of a person? of dozens?
Well, if you
only consider what happened that time from misuse of Geass, then it doesn't seem so bad. But then he also could've said something like 'volunteer at least two hours a week' or 'when you go to PE, wear a red bow on the left side of your hair'. Something else relatively innocuous, that wouldn't lead to possible psychosis.
But that's just this particular thing, and it's not like Geass users are generally all that ethical
anyway. Any kind of MC effect is generally mind-rape, and you really have to wonder what went on in the heads of some of those people Lulu ordered to die in their final seconds.
He also, you know, decided to become Japan's premier terrorist/freedom fighter by killing off the lesser groups, engages in what amounts terrorism, stages a violent coup using his own high school (filled with relatively innocent high schoolers), kills his own brother in cold blood... The list goes on.
For the record, I like Lelouch. He's this big, gloriously clever ham. He knows what he wants, and is going for it. He's also flawed, arrogant, and makes some really nasty mistakes. But he accepts them as mistakes, he knows when he fucks up.
Compare and contrast Suzaku, someone who, ironically enough, would normally be the stereotypical shonen hero. He's strong, he's kind, he's stubborn, and he tries to work within the system to fix it, even if he's only good at punching things with giant robots. He's also pretty lucky for getting picked up by Loyd and the Princess. The thing is, in the real world, luck and being able to punch something isn't enough to change things. Like many of the weird ironies about CG, the roles of hero and villain are reversed. Suzaku, for all of his posturing about Justice... achieves very little of it. He achieves a position as a Knight of the Rounds, and then... Subdues rebels and goes to fancy parties. We don't see him writing letters to people, trying to talk to politicians about the plight of the Japanese people, or appealing to whatever passes for parliament.
I mean, it's been awhile since I watched Code Geass, and I'm not familiar with any of the side material, but once Euphie got hit by the Terminator train, did he do anything else related to helping them?
OK, Sorry that I got caught on a side tangent.
Some people don't like Lelouch, and this is fine. Sure, he's got a heart of gold, but it's got a bastard coating and is wrapped up with jerk paper. Remember, this is a dude who's first response to getting super-powers was to
murder people. He could've said 'forget my face' or 'you found nothing here at all'. Instead, we're left with a big pile of corpses. Which, to be perfectly fair, he seems pretty freaked out about afterward. But, considering in the next half hour or so he guides a group of terrorists to an arms shipment and kills his brother, albeit in defence of the shinjuku ghetto....
Yeah, he's kind of a bastard. A cool, charismatic one, sure. People like those kinds of bastard. Terumi pretty much drives the plot of Blazblue in the second game, and it's glorious. The Joker is a driving force in Batman for a reason. And, for some odd reason, people also like Light from Death Note.
They're brilliant, they're terrifying, and they're all charismatic and entertaining as hell to watch.
But Lelouch is also human. We see him struggle with relationships, we watch him spend time with Nunnaly, and we feel his ennui at the start of the series. By the end, we see just how much of bastard he can be thanks to the Zero Requiem.
And he accepts the consequences for it. He literally kills himself for the sake of peace.
... Unless you count the Lulu Lives possibility at the end thanks to the Code, but that's been declared non-canon I think.
Or if you have basic knowledge of human nature and know that the Requiem going to last for about five years before someone pulls something stupid, and shit starts to spiral out of control.