> good (i.e. fully featured) cables will always work in all combinations. AIUI, that's actually what's going wrong here. It only works if the charger+cable co

> good (i.e. fully featured) cables will always work in all combinations. AIUI, that's actually what's going wrong here. It only works if the charger+cable combo are both dumb enough. If there's enough fully-featured components to try to negotiate properly, the pi can't negotiate and it fails. Using usb-c for power should have been a win. But they didn't - they just used a usb-c socket for power. There's a difference.