Coming from USB-C charging MBPs, I ordered an extra MagSafe when I got this MBP 14". The expectation was that I'd use one at home and one when traveling, which is the arrangement I've had for years with both previous MagSafe and then with USB-C. But when it all arrived I discovered that the USB-C for the monitor provides charging too, so the original MS is the one that travels, and I can sell the additional one.
For those who don't want to dedicate USB-C for charging, the old dongle solution still works: some of the dongles have both USB-C and other stuff (USB-A, USB-C out, etc). Not the most elegant solution, but it works and was particularly necessary for some of the USB-C models that had few ports.