I don't think it's a good idea to make such reports public. Anonymous or not, what I type in report reasons is private for forum team only... and will probably only upset the user who posted the reported topic, leading to flamewars and everything.
I think it's good as it is now, mods/admins can see in a few seconds if posts in a topic were reported for the same reason and than handle them all at one. Also it's probably good to know for the forum team that a post/topic irritates multiple people instead of just one
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