S3 has had a data loss too sadly, a console UI bug lead to the wrong files getting deleted if I recall correctly. Yet another reason for frontend web tech to improve.
Not sure why you're citing some unrelated incident, I think you're jumping to conclusions that I'm talking about the one you cited, but I'm not. This one was not made public.
It was a bit surprising when I found out, but I think the really interesting part is that low quality web tech are the weak link in the chain. That was an eye opener.