Obviously, it is quality that matters, because if there isn't any you won't get published in respectable journals. However, if you can write a large number of top-quality research this is good enough for you, the intellectual community you belong in, and human knowledge.
hi. the ideal case is that researchers consider both quality and quantity together. but, for some university teachers , there are some obligations to write more and more. in my mind, we should not sacrifice quality for quantity. best