Dumb SEO Questions

(Entry was posted by Gareth Higgins on this post in the Dumb SEO Questions community on Facebook, 06/29/2017).

50k backlinks

One of my competitors has approx 50k backlinks, after exploring some I found alot are redirets, 302, page not found etc... Is this a common blackhat seo strategy or simply they could have just reused content and left the page. Is there anything I should do? i.e. report them?
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    View original question in the Dumb SEO Questions community on Facebook, 06/29/2017).