At some point, our try it until it works approach will bite us. Consider the calculations done to determine if fission bombs would ignite the atmosphere. You don't want to test that one and find out. As our technology improves exponentially we're going to run into that situation more and more frequently. Regardless if you think it's AGI or something else, we will eventually run into some technology where one mistake is a cataclysm. How many nuclear close calls have we already experienced.