Moronic Title to article. Should read.... You have to break some eggs to advance science.
SpaceX is looking for the exact safety design limits for their cryogenic tanks. No one has ever design a rocket fuel tank system like this before; There are no Engineering Standards to go by. If they blow up a few they will never know for sure exactly how hard they can push them. This isn't a joke, this is real world science and engineering at it's best. Elon knew this one was most likely going to fail and they had already changed the welding procedures on SN2.