I have been preparing for IELTS since Aug 2018, and have developed ample amount of love for English. After going deep into the grammar, I realized, this language has several sentence structure which an author can employ to demonstrate his thoughts. However, their are certain words, mostly academic, which are cumbersome.
I agree with you.
In my opinion, Garmmar is sort of a business word. The phrases and collocations is the key of learning English.
Grammar came after language. No native speaker learn their language through grammar.
Practice is the key.