I've written before about the value of reputation. It's taken a lot of effort for me to get to 70 and I'd hate to lose it. Of course anything you do can come back to haunt you, so I'm generally careful. Those who want to disrupt risk getting flagged, even if they have good points. We need a range of views here, but hate speech is likely to be flagged. So far I've seen very little trolling, but steemit is still small. Let's see if it can scale up