The small, seemingly insignificant addition of .0 makes your software sound more like a math problem than an invaluable tool or novel piece of art.
Your users are smarter than you give them credit for.
Theres a lot of assumptions going on in this article.. most notably that customers actually care about versioning numbers at all. Unless you're familiar with the versioning system, its far more likely that you look at the comments with the update.
As for this:
When was the last time you heard someone say a phrase like “Quotebook 3 point zero point zero is so great!”? Never.
Most people just refer to the major release, or the update to the major release. Why bog customers down with technical info they're unlikely to care about?
It's a valid point, but perhaps could have been more succinctly made. I sometimes think this about other stuff I come across on Medium, recognizing that Medium's strength is that it makes writing more easy; and its curse is that it makes writing more easy.