I see posts of this nature all the time on r/csquestions. This one just happened to go viral.
See -- Programmer Automates His Job Away for 6 years and then forgets how to program.
I don't think any individual aspect of the story is unbelievable, but when taken as a whole it stretches credulity.
Lulz, getting one over on the Internet, being able to fabricate a plausible story and see people all over the world reacting to it. Some people get off on weird stuff.
I see posts of this nature all the time on r/csquestions. This one just happened to go viral.