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SoftBank's 飯田唯史 warns humanoids should not be default

SoftBank's 飯田唯史 warns humanoids should not be default

3 Key Points

  1. What happened

    In a SoftBank dialogue, AI governance chief Tadashi Iida and expert Kyoko Yoshinaga said firms must justify humanoid form at design stage, citing three test tiers and Japan's Pepper as a deliberately non-human-looking option.

  2. Why it matters

    Companies buying physical AI may be asked to explain why a task needs a human shape, and developers appear likely to face pressure to design for the relationship's ending, not only its start.

WHO IT HITSRobot and physical-AI product teams, plus corporate legal and compliance staff reviewing design choices, may need to document why a humanoid form is justified, while care providers and customer-service operators using companion robots may face new questions about attachment and service shutdown.

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Context & Analysis

The dialogue is part of a SoftBank News series in which outside members of the company's AI Ethics Committee discuss governance, and this installment pairs Yoshinaga, a specialist in AI governance and ethics, with Iida, SoftBank's chief AI governance officer, who also serves as CISO and CRO.

The discussion links two trends the article tracks: falling costs and growing investment in physical AI, with humanoid-related investment reaching roughly $6.1 billion in 2025, and the arrival of emotional AI companions. Yoshinaga separates the risk of a body — where a mistake can physically harm people, as in the 2022 Moscow chess incident — from the risk of a relationship, which she calls the lifecycle of the relationship.

A robot may be loved while its service life is controlled by technical or commercial decisions the user cannot influence. That asymmetry, the two note, becomes sharpest when users are children or when the robot recreates a deceased person, and it points toward designing an ending process — Iida describes it as a robot funeral — from the start, rather than leaving users to cope alone.

FAQ
Why does SoftBank think humanoid robots shouldn't be the default?
Kyoko Yoshinaga argued that the need for a humanoid form and the need to do a job with a robot are separate questions. She noted wheeled robots are far more efficient and stable for simply carrying things.
What kinds of designs does the article say should be restricted?
Yoshinaga said child-shaped robots and recreations of real people should in principle be strongly restricted. She pointed to the risk that a child-shaped AI stays the same age forever, distorting a relationship that should change.
What example shows physical robots are risky?
At a 2022 Moscow chess tournament, a robot arm mistook a boy's finger for a piece and grabbed it, breaking the finger. The article cites this as showing the physical risk of robots with bodies.
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