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Hacktivist deletes white supremacist websites live on stage during hacker conference
(techcrunch.com)
This is a most excellent place for technology news and articles.
To address your first edit, yes, it's a script, and yes, it did delete the site and the backups, as confirmed by the site creator. You can browse the data extracted on https://okstupid.lol/
This wasn't "just a fun script". The site, backups, and infrastructure were actually deleted.
Did you read the article, like at all? It would have told you the same thing: