That may be partly because only 40% of students in France graduate within the expected period for their course, which is wasteful of resources and rough on morale.
They turn mundane tasks into opportunities for fun, offer moral support during tough times, and create a positive atmosphere that boosts morale and fosters productivity.
Cynicism also has really damaging effects to workplaces, so there's a lot of research now that demonstrates that when a workplace is cynical, morale suffers, people turn over more, and mental health is worse.