CSA is behind times

Why the hell does the parent who stops contact even when there’s a court order in place (that isn’t worth the paper it’s written on) then has a right to claim full maintenance. It’s absolutely disgusting that they are then rewarded by the parent they are punishing by then having to pay them full maintenance for their actions. This is all one sided at the moment and every case should be treated individual. No issue paying for kids that actually get to see their other parent but think it’s wrong having to pay when a parent stops contact. This needs looked at as it’s all wrong.