The serious answer is that Islam does not leave widows or unmarried women to be "handled" by desire, neglect, or social embarrassment. It gives several protections - family duty, public charity, remarriage, and, in some cases, regulated polygyny - without forcing any woman into a marriage she does not choose.

The argument as its defenders mean it

The strongest version of the argument is this: societies sometimes face conditions where many women are left without husbands - war, death, poverty, abandonment, or demographic imbalance. If a culture insists that every man may marry only one woman under all circumstances, then some women who want marriage, children, protection, and a stable household may be denied that option. Islam therefore permits a man, if he is able and just, to marry more than one wife, instead of pushing such women toward loneliness, exploitation, or secret relationships.

This is not a silly argument. Human societies have faced exactly these pressures. The Quran's permission for polygyny appears in a passage concerned with orphans, vulnerable women, and justice:

"And if you fear that you will not deal justly with the orphan girls, then marry those that please you of women, two or three or four. But if you fear that you will not be just, then one..."

Quran 4:3

What the Quran actually permits

The verse is a permission, not a command. It does not say every man should marry multiple women. It does not say a widow must accept such a marriage. It does not treat women as property to be distributed after a crisis. Marriage in Islamic law requires consent, a marriage gift, known rights, and public responsibility.

The same verse places the whole matter under the condition of justice. Classical scholars understood this to include fair financial support, housing, time, and outward treatment. The Quran also reminds men that complete equality of the heart is beyond human control, so they must not turn that emotional reality into practical injustice:

"You will never be able to be equal between wives, even if you should strive; so do not incline completely and leave another hanging."

Quran 4:129

The Prophet (PBUH) warned against favoritism between wives:

"Whoever has two wives and inclines to one of them will come on the Day of Resurrection with one side leaning."

Sunan Abi Dawud; al-Tirmidhi

Widows are not only helped through marriage

The question asks: who handles the situation? The answer is: not one mechanism alone. A woman's male relatives have duties. The wider Muslim community has duties. The public treasury, zakah, charity, endowments, and judges all have roles when people are vulnerable. Helping widows is not a side issue in Islam; it is worship.

"The one who strives to help the widow and the poor is like the one who strives in the cause of Allah."

Sahih al-Bukhari; Sahih Muslim

Islam also encourages remarriage and forbids families from blocking it when it is proper:

"Do not prevent them from remarrying their husbands if they agree among themselves in a lawful manner."

Quran 2:232

What this proves - and what it does not

The argument proves that an absolute ban on polygyny is not the only moral answer to social vulnerability. In some circumstances, a lawful plural marriage may protect a woman better than abandonment, poverty, or an informal relationship with no rights.

But it does not prove that polygyny is always wise, always fair, or suitable for every man. It does not excuse selfishness. It does not cancel the first wife's rights. It does not allow coercion. And it does not reduce women to a "problem" men solve.

The Islamic answer is balanced: protect the vulnerable, allow lawful marriage where it is just and wanted, and hold men accountable when they turn a permission into harm.