Would you ask somebody who does not talk great English and has no capabilities or experience to revamp site content? No? All things considered, this is precisely what many individuals do when they go to some modest administrations or specifically procure the least expensive specialists that they can discover, The final product is regularly add up to refuse that has unmistakably been composed by somebody that does not see either the subject or the dialect. Far more detestable it will regularly fall flat a literary theft checker which will cause you real issues with the web search tools.
Imo it is not possible for google to detect properly spun content, it is not worth computing power it requires. They can do this using ngrams for example, but it is uses a lot of queries. And for example article spinner I coded beats this algo, so google cant detect that the content is spun. Manual spinning is also good but it takes more than 30 minutes per article.
For a blogger who has to publish multiple blogs on daily basis, it is tough for them to write unique content, especially when writing on same topics. In that case, spin bot tool could be used to avoid self-plagiarism and to maintain the quality on blog posts. As spinbot change synonym automatically but you can pick the most relevant synonym using out tool.