If this is a subtle suggestion that a person will make an exception with their own kid, I find it a very questionable one to make. I don't doubt it would happen (as an exception), but the downsides of being wrong are pretty steep aren't they?
If so, I applaud you, but will have to remain 'selfish' and not have kids. I don't necessarily hate kids, but I don't like them. I refuse to make myself (and a kid) miserable in that respect just for the future 'greater good'.
I also hate kids. Almost all of them. Except my own who (in my eyes) is the greatest person on earth. Same with grandparents; I hate old people, but my grandma is (was) just the best.
.....Hey Frank, you'll really love a dog if you get one of your own! Hmmm. Maybe. But I think I would wager that Frank, who regularly talks about punting dogs, might not suddenly become the model dog owner.
I have three nephews and one niece. All of them are VERY nice, respectful, kind, and cute children. I still have zero interest in being around them. If I have a choice, I avoid them. Sorry, but not sorry. I was even asked to be a guardian...in the event... I declined. I know, I'm evil. Hell and all... Or, I actually may know myself a little...
Its possible that some parents may have a hard time accepting that others might not share their view that having a kid is 'magical'. And no, its not a religious 'miracle' either. Its precisely the opposite. This world-view is part of the problem isn't it? My way or the highway? It also might feed into the study results. Raging true believers and all that.
I find it weird also that in a world full of people, all of those people having unique personalities and interests, that the idea that some of us just ARE NOT INTERESTED in kids or the experience of parenting is surprising.
I mean, there's TONS of things that I'm not interested in experiencing that other people love, ranging from hobbies to lifestyle choices: Stock car racing. Being an economist. Traveling to China. Escargot. Learning German. Being in an open marriage.
Then there's things I have tried, and am fine with or indifferent to, but would be completely fine never doing again in my life: Owning a dog. Taking care of babies or really even seeing any. Conversing with children up to about age 14. Cheese. Living in Texas. Being single. My current editing job. Interacting with much of my extended family (note: NOT the same thing as wishing them ill).
Then things I actually really enjoy, but that I have given up or could give up without suffering real depression or feeling my essential self is compromised: Roller coasters. Horseback riding. Acting as a financial educator to friends and family that ask for help. Watching NFL football. Travel to Europe, Australia, Costa Rica. Interacting with an extended social circle of friends. Conversing with teenagers when they aren't in a snit (which admittedly is rare).
Then there's things I LOVE, persistently and passionately, that are fundamental to my personality. These things will always take priority over the other three categories: Being married to my current partner. My relationships with a handful of friends and family members. Conversing with smart well-educated adults. Wildlife and wildlife research. Gardening and plant research. Science in general. Being around water. Reading a good book. Etc.
Everyone is actually like this. Peoples' enjoyment of kids and parenting is probably on broad bell curve, and probably further subdivides by age/stage of child raising. I mean, how many parents love their kids but hate parenting them as teens? I have one friend who was a great mother, but who felt zero active love for her daughter until the kid became a toddler. She just has NO interest in babies at all. She conscientiously took care of her baby in terms of physical contact, comfort, feeding, etc, because she knew it was important for the child's well being. Once the kid began developing verbal and motor skills, she gradually fell in love with it. By the time the kid was 3 or 4, she was fully emotionally engaged. But she knew after that that should stick to having only the one child.
People are all different. Most have at least some interest in kids, but many don't. It's only recently that women even had the option to consider whether they were interested or not.