I don't use any auto-voting service mainly because I can't afford to. LOL
Like yourself, I would like to automate voting for a few individuals and maybe the odd community as a whole but that would be out of sheer laziness rather than any deliberate plan to enhance rewards for myself. IMV it's really hard work and eats up a lot of valuable time to trawl through my friends, followers, communities to see "Who's posted since I last looked?" so an auto-voting capability, I can see, would be beneficial. The question is: "What value is that vote to the recipient other than financial?" What I mean is, I could, for example, stick yourself on an auto-vote and never look at your work or account again. Now is that:
RE: Controversial Opinion - Auto-votes on Whales