Wolf: No Two agunos are ever in the exact same situation. There are various factors that create a tremendous obstacle to their ability to get married.
1. husband is lost
2. husband is mentally incapacitated
3. there is no boy for the girls to marry
4. Husband is recalcitrant
and many othere factors
YOU have decided to arbitrally deifne it by a halachic impediment.
The Ballei Tosafos and Rav Shteinman diagree with you
Do you deny that?
And the no boy scenario is
a) effects exponentially far far more people (the bad news)
b) is eminently solvable (the good news) and the TRUE HOPE for the girls.