Except if you read the article it's arguing that the opposite happened.

>Note that although this is a debt trap, it isn’t really a case of “debt-trap diplomacy”, as some people accuse. Debt-trap diplomacy is where you get a country to owe you money, and you force it to make geopolitical concessions in exchange for loan forbearance. China doesn’t appear to be doing that; instead it appears to simply be walking away with as much of the money as it can, and thumbing its nose as it walks away, and leaving developing countries bitter and resentful.