Ideally, they should learn to work together instead of playing power games with each other...
Ideally, yes. But that presumes a sort of equality that just isn't natural.
The young have the energy to "do" while all most of us can manage is to "direct" what is to be done. That screws things up with the balance of power right there.
And I can tell you from experience that even at my age, that it is hard not to break into "when I was your age" stories to those younger than me.
We keep talking about Ronald Reagan like the Reagan years were "just yesterday", without stopping to think that we might as well be talking about Abraham Lincoln to someone bamahead's age!