The essay is quite similar to this one from strangestloop.io[0]
[0]: https://strangestloop.io/essays/things-that-arent-doing-the-...
[0]: https://strangestloop.io/essays/things-that-arent-doing-the-...
The contents are so similar, that it cannot be coincidence. It really seems like the author of this blog simply plagiarized the strangestloop post without referring to it at all...
This is a tasteless copy.