Guess they didn’t consult the WaPo before publishing their diaper-peeing screed:
https://www.washingtonpost.com/world/europe/schools-reopening-coronavirus/2020/07/10/865fb3e6-c122-11ea-8908-68a2b9eae9e0_story.html
Unfortunately, the WaPo article link you posted is behind a paywall :(