"But muh shareholder value!"
I'm very happy with where I work generally but finding a company serious about a 4 day work week is really what would prompt me to look elsewhere. What I loved is how the article outlined several ways these companies tried to apply the 4 day work week (working all five days but two days are half days, rolling schedules, etc...) because there's no good one size fits all solution. I know my customers would never be able to wrap their heads around us just having Fridays off as a company, but these alternate schedules show a way it could still get implemented even in different departments with vastly different business needs.