*quietly sidles on in*
Hello! You seem to have a misunderstanding in regards to the difference between reality and fantasy! Allow me to clarify why child pornography is as (rightfully) reviled as it is, and why this stuff (while… man… REALLY not to my tastes…) does not fall within the category of it!
The key difference is the presence of an actual, real-life victim who is actually harmed and/or traumatized as a result. An actual picture of child pornography, as you may assume, is a pornographic picture of someone not of the legal age of consent. For the sake of playing average in my country and rounding down, we'll call it anything under 17.
The KEY here, however, is that it is a real, actual person. A very real human being was actually put into that real position in real life and really sexually abused. An actual thing that really happened in our actual world. Which is tragic and awful and bad, and people who actually peddle, create, and/or purchase CP are bad, bad, bad people.
As much as I am very(very[VERY]) turned off by a great deal of the content upon that person's page, Lilo was not made real and put into compromising situations, resulting in trauma. Animated characters, believe it or not, are not real, and cannot actually be harmed or traumatized in any sense. There is no victim. Nobody is harmed in any way.
Now, personally, I (yes, even MuchBirth, author of the "Forbidden Archives"…) found many of those pictures to be more than a bit… well, gross, though far be it for me to start kink shaming. But I REALLY gotta step in when people start raising the moral rallying cry claiming something ACTUALLY IS CP. Those are not words to casually toss around. That's a REALLY serious accusation of doing just about one of the worst things a human being can do, period.
If you are really this jim-jammed about the idea of the exploitation of traumatizing of children, I IMPLORE you, look into what you can do to help fight child kidnapping and trafficking, an epidemic in many areas of the world, and indeed an unsettlingly large problem even in America. Those kids need help.
But Lilo does not. Lilo is not real. Do not waste your indignity and rage trying to protect people who don't actually exist. At worst, the reaction should be to cringe away, maybe post something snarky, and move on.