Agreed it could be confusing without some sort of prompt. Or maybe it could be opt-in from the settings just like the iOS “Optimised Battery Charging” toggle.

Agreed it could be confusing without some sort of prompt. Or maybe it could be opt-in from the settings just like the iOS “Optimised Battery Charging” toggle. Wrt all the ports being identical, it’s a bit of an edge case but there are already plenty of MacBook USB-C oddities. Instructions for monitors strictly plugged in on either side springs to mind as an example: https://support.apple.com/en-us/HT210754 https://support.apple.com/en-us/HT210754