The thing is called "progress" and is the reason for doing these tests. If you really care about this I suggest looking back in the development history of SpaceX' current cash cow, the Falcon 9. Look for similar explosive events and compare that to the current ease with which they seem to launch and land and relaunch these things now. Now fast-forward another 10 years and imagine the same happening with this new rocket which is poised to bring down the price of launching mass to orbit by another large factor.