[blowski]

In your joke, QA was only doing exploratory testing. Somebody - perhaps the builders, bar staff, or QA - should have also been doing integration testing for key user stories, and the system has failed because nobody ensured that was happening.

GitHub hasn't failed here - it continued to perform at normal levels for other users, so far as I can see, and they had an upstream process which caught the issue without the system failing. Maybe some exploratory testing had previously identified where that process should kick in, but without having an automated process since it was so unlikely to happen.