[jrheard]

There are people on the other end of the screen who built the technology, and they have feelings :)

Being nice is good.

[canadaduane]

And being polite ("nice") makes it more likely that people who don't yet know each other well will receive mutual advantage through collaboration.

[keithnz]

someone posted this to HN the other day https://wiki.lesswrong.com/wiki/Crocker%27s_rules .. I thought it was quite good, it means sometimes articles like this, with their emotional language gives you information that is useful... IF you refuse to take offense to it.