I think the focus on 'practical application' is an attempt to analyze the problem of the challenge of communicating science, but it's a red herring. What's the

I think the focus on 'practical application' is an attempt to analyze the problem of the challenge of communicating science, but it's a red herring. What's the practical application of discovering Pluto or black holes? Walking on the moon - maybe in decades, but now it has no practical effect.