How would that even be possible? Presumably some people get a top up if they are on a tiny wage, but ‘direct contribution to take home pay’ really isn’t the poi

How would that even be possible? Presumably some people get a top up if they are on a tiny wage, but ‘direct contribution to take home pay’ really isn’t the point of tax. It also sounds a fairly inefficient use of money. Have I missed something in this conversation?