I have never used a voting bot and will never use one because to me the value in steemit is drawing an actual audience of people, not bots. I personally feel that steemit is losing its luster and compass by not adhering to the rules which made steemit such an awesome community to begin with. What happened to people verifying that they are real... now you can set up fake accounts to vote for fake accounts. So between fake accounts and voting bots it eventually will alter the very core of steemit.