अन्यत्रापद ऐश्वर्यं ज्येष्ठभागि तु पूज्यते ॥ कZ_०१.१७.५२च्द् ॥
anyatrāpada aiśvaryaṃ jyeṣṭhabhāgi tu pūjyate
Except in times of calamity, sovereignty is assigned to the eldest share-holder; he is to be honored as such.
Because survival of the polity overrides normal legitimacy rules; an unfit eldest in crisis can be bypassed for capability and security.