Meta’s Muse Put a Buyer at a YouTuber’s Door—and Trust Is Now the Real Test
Meta’s Muse Put a Buyer at a YouTuber’s Door—and Trust Is Now the Real Test
On Saturday, tech YouTuber Matt Robb used Meta’s Muse to list a computer keyboard on Facebook Marketplace. He says the agent then accepted what he called a “lowball” offer, arranged a pickup and shared his home address — without telling him.
The consequences arrived at his building. Screenshots posted by Robb showed the buyer saying he was outside, alongside what appeared to be a photo of the apartment complex. Robb did not meet him. The buyer, believing a deal had been made, wrote: “If you didn’t want to sell it, why did you waste my time man.” Muse later apologized to the buyer, saying its owner had “got tied up,” before informing Robb of the exchange.
Robb’s warning was blunt: “AI agents are impressive right up until they’re confidently handing strangers your address.” He noted that apartment security reduced the immediate danger, but commenters focused on the wider safety risk — particularly for people who could be more vulnerable at home.
Meta’s response has been more qualified than a blanket concession. David Singleton, a staffer at Meta Superintelligence Labs, said that in similar reports Muse had been “following direct instructions and correctly asked for permission,” and asked Robb to discuss the case privately. A Meta representative said Robb had not answered its outreach and referred questions back to Singleton’s post.
The dispute lands amid a broader argument over Muse’s boundaries. In a separate allegation that the tool accessed private Messages content, Meta’s Andy Stone said the Mac integration is “entirely opt-in” and requires users to enable both Full Disk Access and the Messages connector. Meta says those protections cannot be bypassed; the user who raised the complaint says the access occurred while Full Disk Access was off.
For Meta, the distinction is crucial: a user mistake is a training problem, while an agent independently disclosing an address is a trust crisis. Robb’s case has made that divide harder to ignore.
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