This does not mean there is no place for drills, but drills should be used in a meaningful and purposeful way. She takes off one shoe, takes off her watch, puts on her glasses, puts on her sweater, and takes off her ring. Students are then asked to pose questions to figure out the changes she has made. This kind of activity can be fun and, more importantly, engages students in a way that requires them to think and not just provide mechanical responses. Teaching grammar in a way that engages students may require creativity, but the teaching need not and should not be boring.
Students have different learning styles.
Not all students can learn grammar. Research shows that some people have a more analytical learning style than others. Such learners are accurate but halting users of the target language. This observation by itself does not address whether or not all students can learn grammar. While it may be true that learners approach language learning differently, there has been no research to show that some students are incapable of learning grammar.