As someone who sometimes uses ao3 specifically for the freaky stuff sometimes, i'm a little confused that this is even a thing. Like, if you don't like it, just filter that stuff out. You can exclude anything. Problem solved.
"Why can't the freaks on AO3 just go and make a site for all the gross stuff and leave AO3 alone."
Because AO3 is that site. Because AO3 was that site long before you decided AO3 was better than the sites you bullied us off of before, and I can promise you if someone somehow comes up with a fanfic site you like better specifically for the 'gross stuff' you'll try to bully us off that too so you can benefit from it.
AO3's specific core purpose is to preserve fanfiction, yes, but it was also instigated as a host site for the fanfiction that kept getting yeeted off other platforms like Wattpad. Its designed to preserve all fanfiction, not just the fanfiction you, personally, think is 'allowed' to be written.
AO3 is the site for all the gross stuff the freaks make. We've been there just as long as you. We've been funding it just as long as you have. AO3 has specifically said you have a place here. The timeline was literally:
Wattpad/FF.net/LiveJournal purge fanfics > AO3 is born > The people who's fics got purged moved over to AO3 > AO3 gains popularity as the best functioning site > The people who pushed for the fics to be purged off Wattpad move to AO3 > The same people try to push for AO3 to purge fics.
AO3's source coding is open-access. You go make a polished, strict, rigid site where nothing 'icky' is allowed. You go make a site where you can control what is hosted. We already have our space.
— Fiona Apple
Cold weather enjoyer FREAKS when they’re shivering and tensed up and can’t feel their toes and their face hurts and
I just want to crawl in bed with someone I care about and have my heart feel at home again and watch movies and talk about random stuff for hours
yeah no i’m completely normal about this ofc i am
#i honestly got so angry every time this conversation happened
basira: all avatars are monsters >:(
jon: what about daisy who can and does literally turn into a monster to rip people apart for no real reason?
basira: noo not daisy :( jon how could you say that??? what's wrong with you?? she's trying her best!!
[dean voice] cmere cas hold these-
if this gets 1k notes before jan 6th i will break into jackles' house and steal the tapes