USB is asymmetric - there's a host and a device, and the latter acts as a polled slave.

The use-case of a wired connection between two PCs was already solved years before USB --- with Ethernet.

there are USB 2.0 (and probably 1.x) devices with usb-A on both sides and a small box in the middle that acts as a network crossover between two machines, i've seen them in stores. I've never used one because i know how to set CIDR. And, as others have mentioned, this does just work with usb-c.