> 95% of flagged comments don't break guidelines in any given discussion

That number is much too high IMO, so I assume we interpret the site guidelines very differently.

> as example, just below there is reply to you saying that flagging been abused, been flagged

I assume you mean https://news.ycombinator.com/item?id=46221396? No, you'd see "[flagged]" if that were the case. The comment is [dead], but it was killed by software, not flagged by users. I'll restore it.