[tomkarlo]

Management is itself a field, with its own jargon. You can have good management and poor management (just as you can have good engineering or poor management) but don't pretend that the use or absence of "management jargon" is somehow intrinsically connected to that.

Managers have their jargon because they often trade in abstract concepts (Plan of Record, Resources, Asks, Action Items, OKRs) peculiar to their trade that are ripe for shorthanding, which is pretty similar to the reason you see it in other fields.