This doesn’t pass the universality test - would it be positive if all marriages ended in divorce?
Lots of “bad” outcomes become good given circumstances, but they are still not universally good:
“Amputation can be a positive outcome, especially if gangrene has started”
Sunlight makes you feel good, gives you vitamin D, and warms you up. Too much sunlight gives you skin cancer.
Sugar is necessary for life. Too much sugar gives you diabetes and obesity.
Water is the basic building block of life. Too much water causes electrolyte imbalances that can lead to dangerous cardiac arrythmias.
Very few good things actually do pass the universality test, which suggests that the test itself may be flawed.
If most people married just to have children and raise them, then divorced, that doesn’t seem bad in the slightest, especially given that’s the likely the original motivating force behind marriage anyway.