There's a pretty decent chance it is a mix of both. USB-C connectors with pre-attached PCBs ("paddle cards") are widely available[0], and are created by a mach

There's a pretty decent chance it is a mix of both. USB-C connectors with pre-attached PCBs ("paddle cards") are widely available[0], and are created by a machine. Aligning the cables with the paddle card is quite tricky to automate, so humans are still used for that. [0]: https://www.lcsc.com/product-detail/C62322.html https://www.lcsc.com/product-detail/C62322.html