A paper by two economists finds evidence that intergenerational wealth effects have persisted over very long periods of time. They note that their results are "

A paper by two economists finds evidence that intergenerational wealth effects have persisted over very long periods of time. They note that their results are "new and remarkable" in the context of a large existing body of empirical work studying and estimating historical intergenerational mobility. If the above reinforces your belief that "economics exists primarily to justify pre existing power structures by using assumptions which are convenient but empirically unfounded," then what exactly would weaken your position?