The article says that he was ordered to pay $300K by the court (not that he agreed to it).
Also, spousal support has nothing to do with one's actual needs. It is supposed to allow the recipient to maintain the lifestyle she had during marriage. In other words, if she travels the world, lives in luxury villas, flies on private jets, drives exotic cars, and dines at the finest restaurants courtesy of her husband's $$$$$, she is entitled to continue doing so after divorce. And, because all divorces are now considered "no fault", it doesn't matter if she is the one who files for divorce or if the marriage breaks down because she cheated. This is the craziest and most unfair system one could possibly imagine, and yet this is precisely how it works.