If kids were allowed to not do things they identify as find miserable and boring, practically everything in the world would be off the table and the next generatation would be totally and utterly fucked.
The theory is that it builds better character.
We certainly need the doctors and engineers of tomorrow, but they won't be very useful without healthy functioning societies in which can exercise these skills.
We also need a bunch of artisanal non-knowledge workers and laborers and should stop pretending those are inferior careers. A hard working, say, trashman is just as dignified as any other profession and if that's in someone's future, then we should make sure they can take and do the job with pride.
Organised by the school and generally carried out 3-5pm & Saturday morning.