I really don't see anything wrong with it, especially seeing as most women end up single mothers these days, anyway.
I don't think single mothers devalue fatherhood. I think men have already devalued fatherhood by increasingly being unfit fathers whose presence would make the child worse off than just having a mother.
There is such a thing as a good father. It's just that most of them are self-destructive, cruel, tyrannical, or all three. It wasn't always that way, but that's how it is now.
Also, I think that "fatherhood" shouldn't be treated as some kind of magical mantle that gives someone a special value. It just means you managed to get a woman pregnant. Congratulations, that's such a big achievement, you deserve a medal. /sarcasm
The thing is, regardless of whether women do such things or not, single mothers will exist. Whether they're created by divorce, getting pregnant outside of marriage, or getting artificially inseminated. I would think that a woman who chose to get artificially inseminated would likely be better prepared for motherhood than a woman who just got abandoned or impregnated.
The existence of single mothers doesn't devalue "fatherhood." That would be like saying that the existence of single fathers devalues motherhood. And there are single fathers that raise good children. What single mothers do, is show that one person CAN raise a child if they know what they're doing. That's it.
Children need a father, especially boys, anyone who says otherwise is a damned fool.
You know, I might actually respect your opinion if you explained it logically rather than asserting it as absolute with obscenities and insults. It makes your position look so weak that you can't back it up with logic, not even strong enough to stand in your own mind without your anger and disgust behind it.