David Gerard wrote
If I were a persistent troll, I would create three sockpuppet accounts and use them through three anonymising proxies. That's what springs to mind instantly; I'm sure there are more creative ways.
But one should always take the 80 for 20 on these things. So, it's not even going to challenge a serious wrongdoer. Not the point, if the idea is to progress where things are, in general terms.
Charles