Earlier quoted context omitted.
Two things: They are replaceable when the external ports (USB-C or otherwise) wear out without the need for soldering or internal board replacement. The design of the modules is open source, meaning that anyone can design a module that fits their needs.
how does a port “wear out”? i’ve never heard of that
With USB-C, the connector was designed consideration of a bunch of factors, one of which I would assume is lifespan of the end connectors - USB-c has thicker, more resilient plastic hooks built into the inside of the male plug and stronger mating latches in the female end of the connector.
https://www.quora.com/How-do-USB-cables-particularly-USB-C-s...