The example case, "doing the dishes" is a fairly easy task for most people. A lot of people who want to make change in the world would happily "do the dishes," but they've been told that that is not the *real* work.
Doing the dishes—they have been told—is the lowly work that people who aren't able or willing to do dangerous & impressive things do instead. They've been told that they should be ashamed if that is "all" they are doing.