I'm using libuvc, could not open device either. (On macOS 12 beta 4)
scchen
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The default value of this property is an empty array. When launching a new instance of an app, use this property to specify any additional launch arguments. The system inserts the app's path as the first element in the array.
If the calling process is sandboxed, the system ignores the value of this property.
https://developer.apple.com/documentation/appkit/nsworkspace/openconfiguration/3172708-arguments