I don't know. A lot of people in our society are extremely busy. Some time ago, I read a book about depression ("Lost Connections") by Johann Hari. One thing he mentions is that depression rates are much higher in rural Zimbabwe than in rural Spain, and this can be attributed to much higher levels of social support in the latter compared to the former. For instance, in rural Zimbabwe, if a woman can't conceive, then she can simply be thrown out of the house. Hence, high levels of depression. Nothing to do with cows or root vegetables.

So, I don't think our current predicament is due to too much free time. It's got more to do with a lack of rootedness and connection.