I think it should not be taken as a chicken and egg problem. Both the Q's have thier own importance. I believe being grammatically correct, relevant, logical, analytical and to the point is what we call as "quality" and if keeping these things in mind one goes for more "quantity" of stuff i.e. more insight into the issue, more examples, more viewpoints, more quotes and more diverse analysis than surely he/she gets an edge over the others.

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