[Quoth]

And USB-C cables* can be charge only, 4 wire (i.e. no USB 3.x support, no USB-C Alt DP, no USB-C analog Audio Alt, no USB-C ethernet, no USB-C power signalling but USB1.x & USB 2.x data only) or full USB (USB 3.x, or power & DP video).

It's a horror story. Most USB-C sockets on PCs or gadgets don't support all USB-C features, and even when they do some won't work via a hub.

[* Inc USB-A to USB-C. A USB 3.x on USB-A has an extra 5 connections at the front of computer socket or at back of cable socket and and might have SS or blue colour at connector.]

Qualcomm high power USB (up to 20V & 100W) can use a 4 pin USB-A plug at one end. Other high power schemes need a fully wired USB-C plug or a 9 connection USB-A (rare).