These worlds would perish if I did not act; I would be the cause of confusion of castes and would destroy these creatures.

Social consequence of the leader’s inaction. Utsīdeyuḥ — would perish — implies ecological and social collapse.

Saṅkara — confusion of castes, mixing of varṇa — is social chaos. The cosmic order depends on each fulfilling their specific dharma. The example of the superior is the social glue; his inaction, dissolution.