Home Depot *is* orange but does not *sell* oranges. Crucial distinction.

All jests aside -- yeah, it's a helpful bit of wisdom. In an "all models are wrong and some are useful" sort of way, I chafe against the edges of it, because it could be twisted to be very fixed-mindset. "That person does not currently fulfill your needs and thus is INCAPABLE of EVER changing to adapt to your needs!" But temperament is hard to change.