For
Language reflects understanding and memory.
Against
Intelligence is much broader than vocabulary.
Anonymous excerpts, translated where noted.
“Reading, analysing, and then writing an essay in a target language is surely a great demonstration of ability.”
“They mastered the material, and they are more competent in their target language for it.”
“Many language exams measure how well someone can prepare for the exam rather than how well they can actually use the language.”
“A native speaker can be bad with words, and that means they wouldn't get a C2 in an exam.”