I believe arca.live has a “list of no-reprint authors”. You should apply there if you don’t want people posting your content.
The debate on piracy and its morality is just another bottomless pit. I wouldn’t want to go down there after just pulling myself from the loli one.
I would however recommend Fantia-based creators to find alternative ways to distribute their work, for that the platform has made the global portion of their fans increasingly difficult to support them. This includes, but is not limited to IP-banning the entire European continent without official statement.