Surely Ycombinator (or others) would never run analysis on comments on HN to spot emerging trends. Is moderating for users or to keep their inference engine si

Surely Ycombinator (or others) would never run analysis on comments on HN to spot emerging trends. Is moderating for users or to keep their inference engine simple? I mean the backers of Facebook? The schemers who took back control of Reddit? Surely the most principled of people.