They adopted two brothers who were older (most kids can't get adopted when they hit 12, because couples want young children) and they love being dads and yes, the boys dads are 15 and 9 years older then their sons, so they can talk about puberty and sex.
Well, isn't that precious.
If only all gay adoptions were as sanitized as what your acquaintances have let you see on their surfaces. But they are not. You are not seeing the influence of their invited friends, or their behavior, and that of their friends, behind closed doors.
With lesbians as well as gays, there is a higher rate of domestic abuse among LGBTQ couples, and that's just the physical environment. There is no true defense for the modeling and promotion of same-sex behaviors and the elevation of personal preference over the needs of the child to have an opposite-sex parent figure, as nature intended.