Earlier quoted context omitted.
It's my go-to (pun intended) whenever a native English speaker complains about other languages being "hard to pronounce" :)
To be fair, the "ghoti" joke is not about pronunciation but rather about the perceived mismatch between the way a word is written and the way it is spoken.
> about [...] the way a word is written [vs.] the way it is spoken.
That concept is called pronunciation.