(THE COMPLETE YOGA SASTRA)
Kulakshayakritam Dosham prapasyaadbhir-Janaardana ||
Dharme Nashte Kulam krithsnam Adharmobhibhavatyuta ||
"Maa+Dhava" meant - the Husband (or Lord) of Mother Lakshmi, or the Goddess of all Fortunes and Treasures.
If they were not kinsmen, Arjuna would not mind killing any or all of them since they were sinners. But, here, the sinners were kinsmen;so the killing did not look the right thing to do.
Arjuna's Vishaada was for the kinsmen-sinners; not for any or all other sinners.
streeshu Dushtaasu Vaarshneya Jaayathe Varnasankarah ||
Of them, Dhritaraashtra and Panduraja were considered Kashatriyas. But, Vidura was considered as of Sudra caste, being born of Sudra woman, even though Vyasa was considered as a Brahmana sage. These were just examples in the Mahabharat which had many instances of Varna sankara.
There were certain broad guidelines, though not rigid rules ; A Brahmana man (but not a Brahmana woman) could marry in all castes and clans. A Kshatriya man (but not a kshatriya woman) could marry in all three castes - except the Brahmana clans. But, this was violated in respect of King Yayati who married Devyani, the daughter of Sukracharya, who permitted the marriage and made it acceptable. A Vaishya man (but not a Vaishya woman) could marry in castes other than Brahmana and Kshatriya; A Sudra man could however marry only within Sudra clans.
The reverse also used to be there but, this was not favoured, and was called Varna Sankara, which resulted in inferior clans (of inferior strength, righteousness and other qualities) . Each progeny born of such inferior Varna Sankara was also called by specific names (clan Names). Readers can see more details on this at :
In scientific terms, it would amount to that - a Higher quality sperm could impregnate same quality or lower quality egg but the reverse amounted to unacceptable Varna Sankara. Here again what was meant by quality? Quality was based on Guna.
Satva Guna (sperm) was considered as higher than the Rajoguna (sperm) and could absorb and neutralize all lower qualities of the lower Guna. Likewise, Rajoguna was higher than Tamoguna and could neutralise tamoguna.
But, how did these Gunas arise? They largely arose out of what we ate and what karma we performed - and not just by birth. Lord Krishna, in one chapter deals extensively with these three Gunas and we will see the same in that chapter.
Also, King Yudhishtir, in his answers to the Nahusha, a HUGE, CURSED PYTHON, in Mahabharat, clarifies that, "Brahmana" is one known so, only by qualities and not by birth. Likewise are the others. Gita also clarifies Caste or Varna in the same Genre in one chapter, which we shall see subsequently.
Lord Krishna himself had married into all castes and clans - and was a much married man of those days. One of his wives was Jambavati, the daughter of a Bear-king, Jambavanta (or Jambavan). Bheema had married a Rakshasa woman called Hidimbi and begot a son called Ghatotkacha through her. Arjuna had married a girl of Naga clan called Uloopi and another tribal princess called Chitrangada.
Thus, women becoming unchaste and unacceptable Varna-sankara happening, as Arjuna said here, was to be understood - keeping in view the customs of those days for permitted and acceptable Varna Sankara, and the definition given by Lord Krishna and Yudhishtira for the term, Varna.
But, there can be no last word on this subject of Varna, which is gradually fading away in current days - and Varna or caste om its current form, may become a thing of the past, very soon.
That said, in this sloka, Arjuna, obviously was going off at a tangent, from their context and was speaking of unchaste women arising in clans with unrighteous conduct, and its consequences.
The reality was that - Arjuna himself was saved later from death, by Uloopi, his wife from Naga clan and her son.
Surely, sorrow clouds all logic.