Re:Work less, get more: New Zealand firm's four-day week an ...
by taejavu on Thursday July 19, 2018 @06:06PM
(#17570753)
Neither of these quotes, nor anything in the article, claims that productivity levels were equal to what they were with a 5 day week, let alone increased.
How you derived that tl;dr is beyond me, you can't just draw your own conclusions and call it a summary.
You missed:
"Staff stress levels decreased by 7% across the board as a result of the trial, while stimulation, commitment and a sense of empowerment at work all improved significantly, with overall life satisfaction increasing by 5%."
or
"Employees designed a number of innovations and initiatives to work in a more productive and efficient manner, from automating manual processes to reducing or eliminating non-work-related internet usage,"
tl;dr: (Sometimes, maybe, for some time) decrease of work time is compensated by increase in productivity,