Why do baddies even try? Good-aligned characters even make better villains than they do!

Well Hitler certainly was better as a vilain than Stalin.

Gilgamesh is a gary stu faggot(he's canonically a homo)

It's not gay if it's clay

CE-aligned make better daughters.

It's very inconsistent, it's more a compatibility than anything.

A clay dick is still a dick

Enkidu is actually genderless, same with Chevalier d'Eon

Only intrinsically.

>And how is Gilgamesh good-aligned?
Because he, in his own mind, is doing good for humanity. He's "good" but so egotistical and self-centered that his goodness generally depends on his own morals. He also tends to be adversely influenced by wherever/whenever he's summoned.

He wanted to separate the wheat from the chaff because he felt like humanity was degrading. He wasn't wrong, and those who survived his plan would have been better off in a way.

Still, it was killing off most of humanity.

That's because Fate isn't using D&D alignment.

The Good vs Evil axis regards not the moral of the person but his personality. Good and Evil are personality types, good means open, brave, honest and magnimonious. Evil means selfish, cowardly, sly and focused on self-gratification. It also regards how, even unconsciously, a person see himself.

For example: Medea knows that what she is doing is bad/evil (harming people for her own good), and she does so following a selfish desire. Meanwhile, Gilgamesh, who want to fuck up the entire world is doing this on a honest proposal to save humanity. In his own way, but that's his objective.

Law and Chaos are principals- Law means you care about some likely very abstract concept to the point of total self-denial. Chaos means you feel no obligation towards anything but your own whims. A Lawful-Nasu character, also, follows more rigid and generally good (in our traditional interpretation) morals, while Chaotics are generally connected to no-morals whatsoever, only thinking about their true desire, and so are more "evil" in a traditional way.

This is shown, again, in Gilgamesh and Medea, with a little bit of Cu and Saber. Gilgamesh (chaotic) even if he is working to improve humanity, he does so without any consideration for little lives but an eye on the general condition of the race. Killing something like 90% of humanity is good, if it helps the remaining 10% to reach a better condition.

Medea is evil indeed, but not without any consideration. Just watch how she harms people, but avoid kills and has a particular hate for harming children. She isn't complitely without any moral lines.

While Lawful sees a perfect example in Saber and I guess that it is enough. Moral, putting oneself in danger for a greater good, following a (strict) code of behaviour and so one. But she is Good. Cu is an example of the same thing, but on a neutral level.

Gil's motivations vary widely, largely because his role in 2/3 of the original VN was to be the final boss. His entire goal in Fate is basically summed up as "I want to rape Saber." CCC was the first time he ever lived up to his supposed alignment.

In Fate he and kotomine were working together, so he just didn't need to do the legwork with Shinji and hearts when he could have Kirei do it.

>Fate: I want to rape Saber, and probably still nuke humanity
>UBW: I want to purify humanity, too busy to rape Saber
>HF: What the fuck is that, it's gross, time to kill it-dsfasagfdshfdhblarghgh

We got to see a bit more positive things about him in HA too, though it was shota-Gil. Zero he was a douche but still had some upsides. He's likable enough in the Extra series and GO.

I can't wait to see Gil get rekked in the Heaven's Feel movie

Good is subjective.
All that you need to be a hero is have a life that makes for a story interesting or notable enough to be told again by those you tell it to.

What defines a good character is whether or not that character is enjoyable.

Kirei does just as much legwork in Fate as he does in UBW, which is to say none whatsoever. He just has the benefit of Shinji not getting pasted by Herc. Gil makes no real mention of any goals in Fate beyond possessing Saber, which is all he really needs to do since it's her route.

>Kirei does just as much legwork in Fate as he does in UBW
No, he just dies in UBW.