See when I said he wouldn't get a job managing a tesco that's exaggeration. Deschamps is in charge of the best team in international football, he wouldn't get a job at the equivalent should he leave France, man city, bayern Munich, real Madrid, Barcelona, us, all wouldn't take him, psg might but I doubt it. Look at who Portugal had managing them, probably a top 10 side in the world you'd say, and they had Fernando Santos who won't get a top 10 club role, and now they've got Roberto martinez, who after getting sacked by a mistake premier league club, got hired by the number 1 ranked international side in the world, won feck all with their golden generation, then got to take over another top 10 international side.
Clearly the level of management is a fair bit below club level