Substituting "he" and "she" for gendered articles:
"I have he keyboard and she rock. He is large and she is grey"
Without that, I'd have to repeat the "keyboard" and "rock".
The question of course is whether this is worth all that rote memorization (since no language I know is fully logical here - german's "Das Mädchen" - girls are apparently of neutral gender - being a particularly egregious example).
The major argument for keeping gendered nouns as they are in existing languages is that speakers would be uncomfortable with having their language changed by some standards body.
I agree it feels silly to learn the gender of "sexless" words; but this case and the rule behind it are quite clear in the respective languages this occurs in. I guess it's not unlike English using neuter for animal pronouns, which feels strange to speakers of most Germanic languages.
Now, in English, the author might have used fewer pronouns if they were ambiguous... but I've seen a lot of ambiguous pronouns in English writing.
It also makes translations to other languages hell, when noun genders are used for allegoric purposes.
Ugh, really? How disappointing.
https://de.wikisource.org/wiki/Ein_Fichtenbaum_steht_einsam
Now try translating this to a language where the tree names are gendered differently, such that e.g. both are male, or both are female.
https://ru.wikisource.org/wiki/%D0%9D%D0%B0_%D1%81%D0%B5%D0%...
In Russian, both words are female.
Although it's actually more complicated, because there's more than one Russian translation, and this problem was tackled in different ways. Lermontov just did a straightforward translation, changing the implied meaning. Tutchev and Fet both changed the pine to another tree such that the word is male: cedar or oak (in the latter case, this also required changing the described environment in which it grows).
I agree it's harder for students though.
Example:
A basket is in the car -> some kind of basket of unknown shape or color.
The basket is in the car -> a specific, known basket.
HTH
My native language don't have anything like articles. I frequently misuse a/the in borderline cases. Or just omit the article completely..
Yet gender is super easy in my language! Each noun has gendered suffix. Once you know the word, you know it's gender. Or once you know the gender, you know the suffix... :)
A == non-specific The == specific
'A dog' could be any old dog.
'The dog' is a specific dog we know.
Thus
A == any The == thing
Perhaps I'm not clear where with this understanding it would trip you up. Can you think of an example?
On the other hand, I omit article completely more frequently than using a wrong one. I find I have to consciously think if I should use an article and which article should I use. When I write/talk quickly without double checking, shit happens. Even after using English a lot for 2 decades, articles is just a foreign feature that I have to use consciously.
Like tones in Chinese are another example of "easy enough for native speakers, really freaking hard to non-native".
French has quite a few words that break the apparent gender rules: un musée, un lycée, un mille (meaning "mile"; the homograph meaning "thousand" is feminine but usually doesn't take an article), le mort (dead person) vs. la mort (death), etc. All adding to the shit you gotta memorize. If you don't, your meaning will still come across but you'll sound "off".
(I don't even think I remember all my Vandertramp verbs...)
But it's not that important, gender does add some redundancy and some error-correction to a language. It's not necessary (as shown by English) but it has some use.
It's similar to English which uses "an" instead of "a", but it happens very very very rarely.
(Needless to say, "águila" and "ala" ARE feminine nouns, what's changing here is the determiner so the two a's don't clash, not the gender of the nouns)
My native language is English, and I never have to remember whether a "keyboard" or a "rock" is masculine or feminine. I've studied a few other languages (French, German, Spanish) that do expect me to remember such things.
To be clear, I'm not trying to refute your statement that they're useful, just asking how. I'm interested in learning about a different perspective.