This is the problem with the folklore-turned-dogma of Hell. It blasphemes against God and it blasphemes against the victims of injustice with whom God identifies. It makes them both monstrous sadists — immortal, eternal versions of Ramsay Bolton.
Here again we have the paradox of pitchforks: Any creature capable of eternally tormenting another creature with a pitchfork lacks the authority to wield that pitchfork and rightfully belongs at the other end of it. To accuse God of wielding that pitchfork, or even of being capable of wielding it, is to accuse God of being infinitely unjust.