Many people are downvoting the comments so they do not show.
If the bot or someone else does not upvote them, then they will be hidden and serve no purpose.
Soon there will be a consorted effort to out SP the bot so the comments are never shown. Several posters have already begun to power up (which is great), but that power will directed at the bot to try to shut it down.
https://steemit.com/steemit/@transparencybot/the-daily-coverup-transparency-under-attack