Why don't you give them a week off to have a trip around on their own with family (company paid with a certain budget) and share their pictures live to make a wall of family virtually on a landing page. Leaving comments would be beneficiary too
Thanks for sharing. Got almost the same experience in middle-east where a part of culture within SW engineers came to low quality of development and higher time spans. Though I guess the article wasn't consider the concept #TL;DR.