The topics that you or I consider to be "fundamental hard science" are significantly less controversial than the topics that would normally fall under the categ

The topics that you or I consider to be "fundamental hard science" are significantly less controversial than the topics that would normally fall under the category of activism. I'm not saying that controversial ideas should be completely ignored, just that controversy may be an important factor, in the eyes of some, to draw the line between cold hard truths and up-and-coming divisive ideas.