The people now having got leaders, would combined with them against the ruling powers for the reasons I stated above; kingship and monarchy would be utterly abolished, and in their place aristocracy would begin to grow.
For the commons, as if bound to pay at once their debt of gratitude to the abolishers of monarchy, would make them their leaders and entrust their destinies to them.
At first these chiefs gladly assumed this charge and regarded nothing as of greater importance than the common interest, administering the private and public affairs of the people with paternal solicitude.
But here again when children inherited this position of authority from their fathers, having no experience of misfortune and none at all of civil equality and liberty of speech, and having been brought up from the cradle amid the evidences of the power and high position of their fathers, they abandoned themselves some to greed of gain and unscrupulous money-making, others to indulgence in wine and the convivial excess which accompanies it, and others again to the violation of women and the rape of boys; and thus converting the aristocracy into an oligarchy aroused in the people feelings similar to those of which I just spoke, and in consequence met with the same disastrous end as the tyrant.
Walbank Commentary