They aren’t just USBC ports. They are double duty USB-C and Thunderbolt 3 ports depending on whether you plug in a USB Device or a Thunderbolt device. . . The port controller senses the difference.
And this means little when you are trying to do work, and need another dongle...
Apple effed up the MacBook Pro in 2016 and their sales dropped and flatlined since...
Stupid useless form factor...
Oooo look we do something faster on a port type no one ships with and 99% of the installed base don’t use
When was the last time you needed a dongle to be able to connect an external monitor? Have to back more than a decade for any laptop I owned that didn’t have some sort of standard external video port... until the MacBook Pro 16