That may be so, Bernard, but sometimes posts can be hurtful even if making a valid point, merely by poor wording.
That is perhaps the biggest trap with any remote text-message, be it a personal one on a ‘phone or an entry on a forum. It can be very hard for the sender to see it as the reader might, especially on an open chat-site with lots of readers.
I don’t know if that is the case here, though I would hope the offending posts were so by style rather than intent.
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It is not limited to Internet things of course. I’m sure we have all met people of either category in face-to-face situations. Indeed three members of my own club were driven away from it by a very unpleasant reception by just one member with a reputation for thinking himself always right, when the trio arrived to help operate one event.
It is though sharpened on-line by the impersonal nature of simple text-messages, because the writer cannot judge how the reader – especially a complete stranger – will react. Many people will shrug off a gaffe, perhaps realising a one-off slight was unintentional but regarding repeated denigration as the author having the problem (often so!); but others may take it very much to heart.
When as I mentioned above, I laid low for several months, I was defending myself after rather unpleasant responses to just one post I had made in good faith. Why would I want to risk opprobrium simply by my suggested solution to a technical problem? Eventually I decided most of us on here do manage to rub along together in a reasonably civilised manner – but if my attacker was out to silence me then my eventual return showed he was wrong to do that.
In the end though, whether it’s unwarrantedly negative responses on a forum or arrogant remarks making people feel unwelcome at a club event, it can risk harming the host’s reputation.