It's not that people troll too much with low effort comments. It's that low effort comments are followed by troll-lighting the original commenter as the troll,

It's not that people troll too much with low effort comments. It's that low effort comments are followed by troll-lighting the original commenter as the troll, downvoting their post, upvoting ones own. That is - often the biggest troll in the room is the one accusing others of trolling.