I didn't know about this site until yesterday. After reading the thread that got them took down, I know one thing, I will not be letting my children near discord. I mean, if this is how people act in public[0], I hate to imagine what kind of stuff they are doing in a private discord, away from parents prying eyes. There's no heroes in this story. [0] Bathtub hormones being sold to minors in bright packaging featuring…
Reading this is hilarious from someone in the know: you're referring to 'Otoko no Ko pharmaceuticals', which is a website operated in South America which asks no questions as to who they're shipping to; they just accept crypto payment and send it off. It's not part of some grooming campaign, and the characters featured are anime characters, not 'cartoon' characters in the sense you suggest targets children as consumers.