There's also a bunch of previous hackernews discussions about it:
- https://news.ycombinator.com/item?id=47474255
- https://news.ycombinator.com/item?id=46624740
- https://news.ycombinator.com/item?id=47092006
- https://news.ycombinator.com/item?id=46843805
And you obviously have no reason to believe me, but I was following this when it was happening at the start of this year and can confirm that the DDoS script and archive text replacements really did happen.