...the search engine algorithms ...
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There are marketing companies that, for a fee, *train* people to write-to-order, complete w/SEO. The marketing companies gussy up the writers w/certifications and badges and such, then rent them out to people willing to also pay a set amount per word to the writer. It is in the interest of the marketing companies to expand the offerings of writers. The interests commissioning the articles accept the formulas because of the SEO. It is called Content and the writers are Content Creaters.
That is why it is always in the top 10 of the search results and all sounds the same. It’s also an industry only of use in an algorithmic environment.