Question about redirects and 410 status codes

Selected answers from the Dumb SEO Questions Facebook & G+ community.

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  Suresh Kumar G: Leave it as it is...so that if there are any future visitors of old URL get redirects to new url.
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  Sean Clarke: Where would future visitors come from if the old URL is not indexed?
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  Suresh Kumar G: What if the old urls are getting visitors from social networks or forums etc..
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  Sean Clarke: Suresh Kumar G They are not. The only place our URLs have been used is on our site.
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  Suresh Kumar G: Still I won`t remove the redirects...But I`ll make this kind of decisions based on sever logs.It`s your call sean.
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  Sean Clarke: Suresh Kumar G Thanks, Maybe I`ll test with a few URLs and see if it makes any difference.
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  Sean Clarke: Ok I suppose the other question is does it matter if in Search Console you have 7K excluded pages? Wouldn`t it be nicer to have as few excluded pages as possible?
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  Brenda Malone: No, leave the redirects. The Coverage report is there for your information. If the Excluded Pages includes pages that should be in that category, there is no problem.
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  Sean Clarke: Brenda Malone thanks.
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  Ammon Johns: Only the use of a 301 has kept the URLs alive, of course, since otherwise anyone arriving there would, I presume, get a 404. But the thing is, if Google didn`t crawl the URL and record what it got there, how would it know there was a 301? Just because Google have indexed a URL does not directly equate to them ever letting that URL rank for anything (other than a search for that specific URL).If you are not at all worried about keeping any third-party links working, then there`s no need for a 301 at all, and you can safely either serve a deliberate 410, or allow the URL to fail to a 404. And Google will, of course, spider those for a while, and record what they find there. However, if Google do somehow continue to find even one link anywhere in the entire internet to that URL it will continually be re-added to their list of URLs to crawl and index.
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  נתן גאידאי: 301`s work perfectly, just did that with almost 100k pagesCoverage report is just for you to see