Any government support subsidizes divorce. You are ignoring the fact that in the default state, without UBI (or government assistance), divorce would be naturally disincentivized because of the added financial burden on the caretaker. It substitutes the government as the provider instead of the father. It's precisely what the entire article is about.

> No one said that all divorce was due to abuse

You used it as a red herring to claim that divorce shouldn't be disincentivized. The fact that there are valid cases for divorce doesn't negate that fact that even in those cases there should be massive disincentives against it and that the overwhelming majority of divorces today likely should not be allowed because there is no valid reason for them. There's a lack of awareness about how destructive broken households and families are to children and society.