You are in denial of data, asking morality questions to numbers is like asking a brick wall to describe the colour green. Your feelings do not change the numbers, the numbers do not care if you would rather not think about the increased likelihood of men leaving their seriously ill partners.

If you do not agree with the study then disprove it with your own, that is how it is done. Until then I'm afraid any philosophical questions or your own personal beliefs do nothing to change the statistics.