I'm going to be very honest with you. The reason is that Heyuri still kinda sucks and it attracts people with strange complexes. This is basic Lacanian analysis really. The average Heyuri user did not pass the oral-fecal stage and is still anal retentive.

Second Heyuri users are nostalgia whores who worship the past and since Mootles was a closet lolikon child rapist (seriously why do you think he's in hiding?) the average Heyurite thinks its his moral duty to fake rape fake children. Like all Jappafag waps they are convinced they are only honoring Japanese culture when the sodomization of underage children hasn't really been normal in Japan since the Meiji era and it wasn't little girls those Buddhist abbots were butt fucking.

In actual fact, Kaguya and Waha are running a sex cult where anons unwittingly offer their sperm as a sacrifice to Yaldobath Teh Fuhrer aka the blind idiot god. Everytime somone faps to a loli the sperm goes to teh Fuhrer who rises everyday in the east to fuck the sophia the daughter of chaos and maker her cum eternally to distract her from her sacred mission to destroy the earth to prevent the cosmos from collapsing.
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Third, whenever a site gets negative street cred it attracts boyfuckers who tell their friends about this place and there are always more pedos than towel headed waps. Heyuri is like the outlaws motorcylce club. It won't be long before Kaguya gets whacked (he's not that strong anyway) and the leadership passes to a ex-yakuza pedophile who will turn Heyuri into pornhub for aspiring young child actors just wanting to catch their big break. You can do it Charlie! Just believe in yourself! ヽ(´∇`)ノ