Apple would be 100% right to say "they're not our phone, we didn't make them, the branding was a lie."
Of course if Cursor actually has a direct connection with Anthropic, and Anthropic lost control of their keys... it's a different story and their employee is just obfuscating up there.
And there was no interception. At the very strongest, the bad guys convinced Cisco to ship the stuff, and Cisco is saying it’s not their responsibility.
They definitely shipped something they didn’t build or check.
So for the analogy, it really is like Costco didn't make any attempt to check they were buying actual iPhones.
If Costco made iPhones under license from Apple outside of the Apple supply chain and they all exploded, while the Apple name is involved they have no direct liability or responsibility.
Distributing signed artifacts is a solved problem (until NP=P is cracked at least).