Marianne
"...found that 25 percent of the adults whose parents had divorced experienced serious social, emotional or psychological troubles compared with 10 percent of those whose parents remained together. These findings suggest that only 15 percent of adult children of divorce experience problems over and above those from stable families".
Quoted directly from the article you cite. I would say that an extra 15% of children having serious trouble later in life is very, very significant, certainly not a number to be dismissed with an "only". In fact, the number in serious trouble increases by 150%.
I would rather take a 90% chance than a 75% chance, especially over something so very, very crucial. I wouldn't want to more than double the chance of something going significantly wrong.
And I think the myth that divorce is fine for children is perpetuated because people are very uncomfortable thinking that possibly they have put their own happiness ahead of their children's and so try to argue that they haven't, everything is ok. It isn't true. And it's understandable to want to shy away from that. But perpetuating such a myth rather than challenging it can lead to more of that thing happening, that that is
Study showing that taking other factors into account reduces the apparent impact of divorce, but does not eliminate it.
Also note that these studies follow children til 16, whilst the Wallerstein study cited before follows children for 25 years, and it is young adulthood and adulthood that some of the most significant difficulties arise.
Yes, it is good to see how other people live. There is no one way to live a life right- there are many ways. John Stewart Mill, one of the intellectual founding fathers of liberal tolerance, argued for tolerance of different ways of life based on the number of experiments in living that could thereby happen the new and better ways of life that could be discovered in a tolerant and diverse society. But those experiments can clearly demonstrate that some things don't work, just as clearly (if not more clearly as science proceeds by disproving theories rather than proving them) as new paths through life can be found.
In some things, better and worse options are clear, and this is one of them.