My concern with economic debates is that there are always enough statistics to play with to make whatever point desired. For instance: why compare wealth and n

My concern with economic debates is that there are always enough statistics to play with to make whatever point desired. For instance: why compare wealth and not income? And if we do, at what age? Do we compare individuals, or households...? I don't want to say it's wrong per se, just that I've been misled enough before that I don't want to trust anything.