It's theoretically possible that, at some point, someone might create a bot which consistently votes up content that I'm interested in. Theoretically.

lol... I know what you mean. My personal fear is that this happens to me with spammers, who's spam becomes so good that I simply give them their upvote;-)

A personalized filter would be something here. I would be already happy, if I could simply follow or mute tags as it is possible with users. In combination with a language filter, that would filter out at least 95% of the BS floating around. Scrolling through the rest of the available posts would be almost possible without having to make any further selection...

If you filter out bots (there are maybe 20 big&relevant ones), I think you'd still get a picture about preferences, but the result would probably be too flat, because smaller users don't get enough votes in the first place.

A filter I would imagine as interesting is one that works by recursive means like Google or the citation system Google is built after, but I'm not sure how exactly that should look like (by upvote, by comment etc). Unfortunately, I don't have the means to try;-(

On the downvotes: That comes from the user @berniesanders / @nextgencrypto. He's a bit of a menace here on Steemit and I'm trying to take him down and it looks like I have found his weak spot. Here's one of the posts I dedicated to him. Normally, he also posts a comment after my comments in which he calls me a Nazi. Looks like he has given that up..

I will follow you now.