>>297059626
They amended that a few months after the Link release. They found that the average bitrate used over the Link ended up being ~150Mbps, so the 300Mbps charging cable was sufficient "if not optimal" and quietly updated the software to allow it (hence the orange "not recommended" message instead of the old red "incompatible" message people used to get).

>>297060021
That's what it feels like. I wasn't aware C connectors were made with USB 2 though.