I've never seen it and I'm a regular HN reader of the /new page. Even the most obscure spam or porn links are only flagged or marked [dead], not deleted. After

I've never seen it and I'm a regular HN reader of the /new page. Even the most obscure spam or porn links are only flagged or marked [dead], not deleted. After a while (a week?) only the title remains and the URL is removed automatically not to give the URL any backlinks (SEO value or such).