i actually think teaching sentence structure and grammar is extremely important, because if i didn’t have a strong literary background(obviously all books need to be at the highest standard of kashrus, even if they arent quite as soiphisticated as shakespeare( that I grew up with, I think i would have had a harder time learning how to be medayak in rishonim, gemara, etc..or even how to lain a gemara itself.
I believe ive heard similar statements in the name of Rav Yaakov and his son Rav Shmuel Kaminetzky, that there should be one language, be it yiddish, english, whatever, where you’re totally fluent, because it helps you understand how to learn lashon kodesh and aramaic properly, which is key to textual analysis.
Sometimes I had to tell my friends who went onto lomdishe discussions that they were misreading the text; im not knocking lomdus, chas veshalom….i spent 90% of my time on lomdishe discussions, but my first glimpse of the sugya was with pshat and teitch, and any lomdus which was too far out of the bounds of the words and sentence structure was rejected.
Like in many areas, both are necessary parts; you cant begin to learn lomdus properly if your textual skills are lacking, but text without the lomdus is hollow and has little bearing on the truth of the sugya.
I have long lobbied for yeshivos to spend more time on learning skills, getting kids to be able to go to a maharsha when they dont understand tosfos and be able to decode his mode of expression,