I agree that they can. But do they, more often than not? I'm not so sure. And even in the best case scenario, their children miss out on critical modeling for appropriate cooperation and roles between the sexes, according to evolutionary advantages. I have personal experience via my daughter where one of her earliest "best" friends was a girl raised by two lesbian mothers ... and from the age of 4 she was trying to kiss my daughter and "pursued" her like a boy naturally would. She even tried to get my daughter to kiss her secretly and told her not to tell me. Now, do I blame a 4 year old for this behavior? Of course not. Do I blame the girl's two mothers? I don't think so because I bet they had no idea. But the reality is this poor girl lacked proper modeling in her own home. I have other ideas about gay/lesbian parenting, but that gets us too far off topic. Needless to say, because I have such a good relationship with my daughter, she alerted me to her friend's scheme to kiss her and keep it from me. So that ended that.
I don't disagree. There are many cultural, political, and economic factors causing the destruction of the family. I could bore everyone with my analysis. But most of us grew up in heterosexual households and have our own ideas. I'll offer one suggestion though, only because it doesn't get enough attention when this topic is discussed: all the burdens that two professions put on a marriage. When living costs demand this, you can kiss monogamy and fidelity goodbye. My grandparents barely graduated from high school and raised 3 kids on 5 acres of land with one income as an electrician (my grandfather served in WW2 so he did receive government money, but probably not much though in those years). Today, that's impossible, even if both parents have college degrees. And since kids now have to be put in government indoctrination camps (ie public school day care centers), the future belongs to the state authorities and whatever private interests collaborating with government.
Oddly enough, I'm an atheist. So again I don't disagree with you about the harm done by religious authorities. Why the Catholic Church remains a functioning entity in spite of all their sexual abuse scandals and deliberate obstructions of justice, shows you just how powerful it is globally. But even though I'm irreligious and consider all revealed truth claims as suspicious, I cannot help but acknowledge the foundational role that tradition has in civilization.
To be clear, you've not refuted anything I've said in this thread.