To be able to say that "if we change our point of view in the following way ... things are simpler" is always a gain.

It's better to solve the right problem approximately than to solve the wrong problem exactly.

An approximate answer to the right problem is worth a good deal more than an exact answer to an approximate problem.

All we know about the world teaches us that the effects of A and B are always different-in some decimal place-for any A and B. Thus asking "are the effects different?" is foolish.

There is no data that can be displayed in a pie chart, that cannot be displayed BETTER in some other type of chart.

Numerical quantities focus on expected values, graphical summaries on unexpected values.

When communicating results to non-technical types there is nothing better than a clear visualization to make your point.