In the part of the WordAI processor, the same difficult practice can also make this task quicker by making use of some type of article generator software. This way you will get a large amount of posts within a shorter period. Sometimes, when you are not logged in, the site may claim ownership on your article to bar manipulations from non-human entities.
I've ranked websites in the past with spun content, and now they are still on #1 position of google. First year (2014) google found me because my spun was really bad, many paragraphs were just copied and my position drop from #2 to around #20 after a panda update. Later I cleaned all my text with better spun (I didn't buy any article!), my ranking went up again, and with more backlinks I reached #1 and it is still there