To use a less apples-to-oranges comparison, imagine if I drew a hentai doujin depicting a fictional character getting raped. Does that make me a rapist? Does that make the people fapping to my artwork rapists? If so, who is the victim? The fictional character? At what point does the argument just boil away and we're left with "I don't like it, therefore we should ban it!"?Well I'm going to use some simple sound logic here of why the whole loli/shota = pedo argument is complete bullshit.
Now let's say hypothetically I draw a really edgy drawing of me holding a gun with Abraham Lincoln dead on the floor, blood is everywhere, and while everyone else in the background is running and screaming. The real story of how Abraham Lincoln died is John Wilkes Both shot him dead; I did not went back in time and shot the former 16th President of the U.S. dead. Sure my edgy drawing can be seen as distasteful and even offensive but what is seen in my dumb hypothetical edgy drawing never actually happened. I can't get in trouble for something that has never happened in real life.
This is also like saying that a movie like Fritz the Cat promotes 'Nazism' and 'white supramacy' even though the film does niether and is meant to pretty much satirize the left-wing politics of 1960's and 1970's America back then even when the film also had to resort to lewd and racy imagery.
Do I find stuff like lolicon and shotacon weird? Yes I do. But the thing is that all of that is just fiction just like Fifty Shades of Grey by E. L. James or the more well known novel that is called 'Lolita' by Vladimir Nabokov. But only a complete moron can't tell fantasy from reality. Usually you really have to be all mentally ill that you can't tell the two apart. I can't believe that I have to defend these genres of anime and manga from these idiots now.
Welcome to Clown World.
Personally, I'm concerned with the freedom of speech implications that would come with banning art topics. Once you give someone the power to restrict what can and cannot be said, it doesn't just stop with the "bad stuff." The powers that be are gonna hammer you down until you're nothing more than an obedient little slave to line their pockets. Even if you don't like loli and think it's detestable, it's a valid price to pay for unrestricted speech.