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Not the best solution of the problem, just a temporary fix probably hoping that the user will get tired of revenge flagging in a while, we need a better solution... there could be more cases like that in the future.

Looks like r4fken is playing with this bot now, to get the bot to do the downvoting. The sum does look positive for you however as r4fken's upvote is worth more than highasfuck's downvote.
Edit: I was wrong is the other way round, it's a net negative for you.

regarding your edit: this proves my point. This bot operator is a malicious so-and-so, and their deleterious influence will be neutralised. I wish I could be a fly on the wall when this twit's machinations finally hit brick walls, and they cry out in anguish. HAH! it's coming, motherfucker.

I already have more voting power than @r4fken, so I'm not bothered by him, but I did not expect that a bot will be downvoting my post as a means to "fight" him... the bot does have significantly more voting power than me however. I have already countered some posts where he has downvoted new user's post essentially hiding them.