"We may collect personally identifiable information about you, such as your full name, ID/passport number, portrait, phone number, email address, IP address, device identifier, geological location, billing information, and so on, as well as non-personally identifiable information, such as messages, images, VoIP data, audio-video streaming data, other content you sent and other activities you done under the Services."
A streaming app collecting ID/passport numbers, portraits, VoIP data, messages, and device identifiers is far beyond what's needed for video streaming. The open-ended 'and so on' language allows collection of virtually anything.