Of the 8.1 billion humans alive, 3 billion of them have jobs (approximately). You are speaking for every single last one of them, that they weren't hired for some office political reason and every single last one of them is useful at their job? I haven't spoken to all of them, but I find that hard to believe.
Good faith discussion? Your reply to me was "Oh you know this for an irrefutable fact, now?". What discussion is there to be had from a sarcastic quip that deliberately misses the point?
If you want to good faith discussion, address the substance of my comment.
Workers have a job because their labour produces value