Oh yeah, that's totally fair. With a standard USB-C DC plug, however, the charger could negotiate a lower current and even provide power fairness across all sea

Oh yeah, that's totally fair. With a standard USB-C DC plug, however, the charger could negotiate a lower current and even provide power fairness across all seats to support the entire plane's load. My point was really that even the most entrenched "standards" are all just leaky abstractions.