The ethical considerations surrounding sex dolls are increasingly centered on concepts of consent and agency, fundamental principles in moral philosophy and human interaction. Since current sex dolls are inanimate objects lacking consciousness, they do not possess the capacity for consent or autonomy. This raises questions about the morality of their use and the implications for human behavior.

As technology progresses, particularly with the integration of artificial intelligence, future dolls might exhibit behaviors that simulate agency or emotional responsiveness. This development prompts a reexamination of moral responsibilities: If a doll can mimic consent or emotional states, does this alter the ethical landscape? Would using such a doll be comparable to engaging with a sentient being, and what moral obligations would that entail?

Critics argue that engaging with objects capable of simulating agency could reinforce problematic attitudes toward real human consent, potentially fostering disrespect or exploitation. They emphasize that genuine human interactions involve mutual consent, moral recognition, and emotional reciprocity—elements that cannot be fully recreated by inanimate objects or even AI.

Proponents contend that as long as usage is consensual and does not harm others, personal freedom should prevail. However, the ethical imperative remains to ensure that technological advancements do not diminish the importance of consent in human relationships. Ultimately, rethinking sex doll ethics involves balancing technological innovation with respect for human dignity, moral responsibility, and the intrinsic value of genuine human agency.