As you yourself have showed, "homeless person" != "dumb person". I'm fairly certain a not despreciable amount of homeless people are totally capable of using c

As you yourself have showed, "homeless person" != "dumb person". I'm fairly certain a not despreciable amount of homeless people are totally capable of using complex designs. Not that we should aim to making designs complex, but we shouldn't use "simple enough for the homeless" as a motto either.