This. Anytime a major company (or major OSS instance) has software with some seemingly stupid bug, I'm amazed by some comments on HN like 'how is this even poss

This. Anytime a major company (or major OSS instance) has software with some seemingly stupid bug, I'm amazed by some comments on HN like 'how is this even possible' or 'those programmers must be shit compared to company X or Y'. While if you just reflect on programming and yourself a bit, it should be fairly easy to recognize such bugs are just as easy to introduce as others and that tests preventing them equally hard to write.