Yes, and perhaps more germane than their age is that this new breed of bishops are from a slowly growing group of those often chosen by Pope Benedict. There certainly are some common (and welcome) trends and traits in both his consecration of new bishops and his elevations to archbishop positions.
The Holy Father is an old man in a hurray. He knows that the Church is threatened with collapse in the West because so many priests are like the late Cardinal of Milan. I gather than he must be surprising himself with the energy he has managed to summon since he became pope. He seems the quintessential mild-manner professor. But the strength is there. It now seems that he is this centurys Leo XIV.