Valid / invalid for metaphors, to me, depends on the audience. For laypeople, ill equiped to deal with high orders of complexity: spooky. For people in the fi

Valid / invalid for metaphors, to me, depends on the audience. For laypeople, ill equiped to deal with high orders of complexity: spooky. For people in the field: details. For some audiences being accurate is less descriptive than being reductionist. Because if you lose your audience's attention, you've communicated no accuracy.