Is the 'rugged' Galaxy S7 Active worth an extra $100?

Samsung and AT&T this month released the latest "ruggedized" Galaxy smartphone, the Galaxy S7 (GS7) Active. The new phone is nearly identical to the "regular" GS7, with a few key differences. It's designed to stand up to more abuse than its sleeker, more delicate GS7 and GS7 edge counterparts. It has a bigger battery and an additional customizable side button, along with some other design departures. The Active version also costs $100 more than the base GS7.
Here's how to tell if the toughe