Going all out scares people. What do you do once you have nothing left?
There's no turning back. If you stop saving some for later, you have to be fully committed to something. Commitment is rare these days, which is why a lot of people don't push themselves to empty.
Hipsterism embodies the "I'm too cool to commit" attitude. But here's a few scenarios in which driving to E proves to be a very effective strategy.