It's a profitable and effective political tactic to force a position on every issue and flush out fence sitters. Even in this thread you've got people classifying institutions by how aggressively they toe the line on one by one political bugbears.
People keep making the mistake of thinking these organizations are driven by "clicks." They're not, they don't make any money anyway. They're driven by eyes, specifically the right eyes, and impact. They don't need to sell ads, the stories are the ads; they need to sell the stories.