I'm not sure what people have against the adapter. The Valve Index cable to connect to your PC:
Look familiar?
People are championing the Quest for Link but that crap streams your PCVR games even via cable. It compresses by using your PC resources to encode a video on the fly then decode it on the other side of the cable because it doesn't support Display Port over USB-C either:
The quests are also
known to still require battery even when plugged into your PC because they dont get enough power from the PC.
The PSVR2 is like most high end headsets out there with its own display cable/port, power, and usb connection. The Valve index is a PC only headset, not from 2004 and does the exact same thing.