Even the best monarchs do not justify monarchy; it is a position inherently created for abuse. You may have a good king, or two, or ten - even kings who WILL put your wellbeing before their own interests - but invariably they will always be outnumbered by those who seek the position for the sake of abuse, or who succumb to the structure of the position which encourages abuse. Likewise with landlording. The problem isn’t with individuals, the problem is with the system.