I have never actually met a scientist who espouses the dreaded "scientism". It is, I have come to believe, a bogeyman used to silence rigorous thinkers when they attempt to speak in a social/political setting.

Also, virtually every branch of science utilizes both quantitative and qualitative tools. I'm not sure if you meant to be dismissive of the often subtle methods for reconciling these different scientific tools, but it seemed to me that you did.