An option to sort posts by most commented as payouts does not really mean anything other than that a guy with a big stake vote for this one, which there is really nothing more to add to that.

There might be an actual interesting topic with a lot of engagement for the community with zero votes from whales for any numbers of reasons. and it will be lost in to obscurity from the rest of us the viewers. Most of the times that is how I browse Reddit they call it most controversial. And is fun to browse by that especially at politics and economics subreddits.