Whats wrong on @steem-bounty??
As you can see from post image, he is downvoting several @steem-bounty comment without giving any reason.
First of all, @steem-bounty is a regular witness which is doing a service very important for Steemit community and there we have people who need important answers and ask to community to solve the doubts putting a bounty on it.
So in this way the post get more visibility and it is very nice to see the post with answer that can help to solve some troubles.