No, Millennials Aren't a Bunch of Job-Hopping Flakes (fastcompany.com)
From a report: Today, Pew researchers published findings that refute yet another stereotype about millennials that actual millennials find infuriating: the idea that they're job-hopping more often than other generations. According to Pew's analysis of recent government data, "college-educated millennials are sticking with their jobs longer than their Gen X counterparts."
I suspect this is the driving factor.
I am very small, utmostly microscopic.