It's classic Strunk & White nonsense, the idea that simpler (even to the point of being simplistic) is always, always, always better, founded on the unfounded idea that removing words is the only way to linguistic correctness.
Eh, I think the app is a good first pass for many people. Use it and the Up Goer Five editor as a way to generate ideas for how to shorten and increase readability of your work. I find it very useful when using scientific writing in order to recheck your work for ease of communication.
Yes, the app is apparently quite insane.
It's classic Strunk & White nonsense, the idea that simpler (even to the point of being simplistic) is always, always, always better, founded on the unfounded idea that removing words is the only way to linguistic correctness.
http://chronicle.com/article/50-Years-of-Stupid-Grammar/2549...