Hi, thanks for your input, we are not particularly fans of winners using upvote bots ourselves, but we also have to be careful that we don't outlaw something we can't enforce effectively. There are new bots coming out all the time, some are stealth and don't leave a message so we may not be detect they are bots and then there will be bigger arguements. Sometimes it's better to have a freemarket approach, the greater Steemit allows upvote bots so we should probably also allow it as we are a microcosm of the overall community.