It still exists. I mean, some sites are gone, but the big ones like Archive of Our Own and FF.NET are still there. Deviantart too, if people still use that for fics these days...Anyway, the former two tend to have a lot of older fanfiction writers, which is a wonderful thing, however, there's a chance if you are in a 'newer' fandom, you will get some flavor of pozz. Good thing AO3 let's you exclude tags so you can mostly avoid it.