Earlier quoted context omitted.
Statistics are just statistics. Nothing is sad about 6 minutes when the "average" American isn't in school.
the data is for "average American with a full-time job". This assumes that they have already completed their education. 6 min/day is about 36.5 hours of education, which seems quite a bit for a professional
Also, for some professionals, working at their job provides education for performing their job better. They should have split working and commuting from each other, or at least provided a split of the data.