I've lost you again on the first half. Tax break=/= tax cut. I dunno.
Second half, it's not that I didn't understand the words. I just don't see that logic as bieng correct when applied to the situation.
Marriage, while enveloped in religious ceremony, is a life function. It represents dedication to a partner in which the two of you will help re-populate the human race. Some religions see treat this a polygamy but most base a virtue of homogamy with it.
It's just ends all. I just don't see it. A scheme meant for .... I don't knoe. I'm not necisarrily saying "you're wrong" but, I'm just saying, it doesn't add up to me, personally.
"Let justice be done though the heavens fall." - Jim Garrison
"Ask not your horse, if ye should ride into battle" - myself