The European Union has officially imposed a new rule for selling laptops with a power rating of 100 W or less, requiring them to use a USB-C port for charging. This rule takes effect today, April 28, Tuesday, as the European Commission has been exploring ways to reduce electronic waste and has been ...
There are extremely cheap dongles that split data from power. They work with most phones, too.
With a barrel jack you’d probably lose room for another USB-C. There is really no reason to prefer USB-C over a jack.