with the blockchain...bots can't be stopped from being programmed. Some dude this morning copy pasted an article I wrote a month ago trying to make money out of it. Google has bot checking for duplicate content. As long as the bot remain on task, I am fine with it.

When it comes to flagging opinions then that would really be an issue...you have a point there and I'm brainstorming right now how this could be prevented if governments started putting massive amount of SP in their portfolio...

EDIT: Looking into this, any account has a certain amount of voting power. After 20 per day, it significantly drops. It would be hard to implement a bot than can censor the whole place.