It works ok as long as there’s nobody named Katherine.
(Lack of an obvious pronunciation is a good objection, tho.)
To this day I don't know what Eli8 means, and I'm not going to even bother to look it up. It's not communication.
My first guess would have been a username for somebody named Elliot. Given that it occurred in this thread, probably not a correct guess.
I think where we differ is that I see such abbreviations as no worse than any other - TLAs (three letter acronyms) can also be as impenetrable.
It's most pronounced in aye-ate-een-en, internationalization is a word I find myself stumbling when saying in full.
ally?
But yes, like every abbreviation, do use the full word the first time you use it “Considering the topic of internationalisation (i18n)…”
I assume the real reason is because each of these indecipherable glyphs is a s8h* to identify the "cool" and "woke" (not in the US politics sense but in a more general sense of the word) crowd from the rest.
* If you don't know this word, you're not in the club