I suggest you read the thread more closely. The position of a lot of the posters here seems to be that sexual orientation or gender is unimportant when considering how "good" a parent someone is. You are the one throwing the ideology that homosexual parents aren't as good.
I haven't read those studies, but my "intuition" is that a child needs guardians that love them far more than they need a family that fits the ideal nuclear family of the 2nd half of the 20th century.
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