But this does illustrate the joy of stats, tell any story you like and you'll find some stats to evidence it. Ad astra per aspera
The thing about the much-decried (and now disassembled) 35-hour week in France was that it capped full-time work, bringing quite a lot of part-timers up to the full time they wished for.
But why do that when you can get one person to do their job plus half, for the price of one? Ad astra per aspera