Exactly Mark! In my experience you can certainly write around 1000 words per hour, even if you are practically new to blogging. I personally think that spinning articles is just a gimmick that doesn’t really get results but wastes tons of time. The spinning software certainly makes a lot of money for the creators though! They are the ones who are laughing all the way to the bank!
This is absolutely useless. It claims it rewrites English sentences, but it just offers words alternatives, which is only nouns. Also, most of those suggested alternatives are unable to use. If you see their maker's home page, Whitehat Box, you can see numerous people request the refund. It's far from western progressive software like Grammarly or sketch engine. They stole my money with the diceiptive advertisement.
For this purpose, humans have created numerous rewriting tools to save time and use all words available in the English dictionary. Rewriting tools use millions of synonyms made available to them through artificial intelligence and instructions given by the human mind. If you hire the services of a content writer to rewrite/create content for you, they will charge you a lot. Big organizations can afford this but small startups and students can never afford the services of professional writers.