I don't believe in adults paying other adults any maintenance which is the law in many countries. That works if you also follow my principle that able bodied adults work and don't stay home with children. These men who find it quite cushy to have a non working wife are suddenly critical when they leave for a younger model but often it really was their fault their first wife gave up work. They only liked it when it suited them.
The article refers to second wives not being happy first children get school fees paid yet had the couple stayed married the children would have gone to private schools so why should those children suffer because their father couldn't keep his pants on and ran off with someone else? He should be paying more not less to make up.
Also many couples feel they can only afford 2 children ... fine.. but then the man goes off and has a family he cannto afford. He may well have refused his first wife a third child on financial grounds and just because he has another child now he pays the first children less. Bizarre and unfair. They have already had their home rent asunder and lives damaged and are trying to survive with the same income keeping 2 households.
I thiknk I'm just getting cynical. I've met too many divorced men who think it's clever to show off how much money they hide from their first wives as if I'd think that were a sign of how good they are.