The Coronavirus has caused a radical rethink of office culture. Some people are going a step further than challenging long commutes and cramped transport, and criticising the 5-day week itself. Those that support reducing the work week believe that much of the time we spend in the office is unproductive, and that shorter, more intense bursts of work will result in higher quality output and less stress and fatigue.
Source: https://www.nbcnews.com/business/business-news/four-day-work-week-might-be-exactly-what-u-s-n1229631