I think it's a somewhat legitimate comparison. The average person can use a smartphone but couldn't tell you much about why it works the way it does. They can a

I think it's a somewhat legitimate comparison. The average person can use a smartphone but couldn't tell you much about why it works the way it does. They can accomplish all sorts of things with it but they have little insight of its internal structure. It's the same with Schroedinger's equation: I can use it just fine, and it's clearly a useful way of looking at the world, but I don't understand why reality is like that.