I’m guessing it’s only valid if the USB charging port isn’t in simultaneous use at the time. In that earlier writeup, I also noted that “I bought mine brand new direct from Lenovo at the end of 2022 ...

The Lenovo 40A90090IN ThinkPad laptop docking station features three USB 3.0 ports, two USB 2.0 ports, and one USB-C upstream connector. It also comes with one VGA port, two DisplayPort ...