Yacc stands for "Yet Another C Compiler".
Nano was originally TIP which stood for "TIP Isn't Pico" but was later changed to Nano so as not to conflict with another Unix utility called tip [0]. Presumably nano was chosen as the metric prefix next larger than pico.
Personally, I'd prefer choosing a random string of 3-8 letters for command line tools. At least that would be better than naming programs using generic names (Keep, Bamboo, Chef, Salt) which leads to all sorts of name collisions.
From the article:
> This would be career suicide in virtually any other technical field.
The mascot for an $8.8T dollar (supply side) software industry, larger than Google, Microsoft and Apple combined, is a cartoon penguin [1].
"never had it in the first place" is absolutely correct.
[0] https://en.wikipedia.org/wiki/GNU_nano
[1] https://www.hbs.edu/ris/Publication%20Files/24-038_51f8444f-...