[JouleZ]

...compared to children raised by their married mother and father.

Is this a plug for legalizing gay marriage?

[xzins]

...compared to children raised by their married mother and father. -- Is this a plug for legalizing gay marriage?

Considering it comes out of UTex, there might be that suspicion. However, going with the "mother and father", I'd read it at face value and assume natural nuclear family.