What are they useful for, though? The usefulness of wrong models, and why they hang around so long, mainly seems to be to provide income to people selling solutions.
Solutions offered based on bad simple metaphorical models have the benefit of being intuitive, so they stick around.
Theory-theory is the Efficient Market Hypothesis applied to common sense.
They are useful as a standard way to talk about the brain. If I say I am 'right-brained' in casual conversation, most people in my culture know what I mean.
Solutions offered based on bad simple metaphorical models have the benefit of being intuitive, so they stick around.
Theory-theory is the Efficient Market Hypothesis applied to common sense.