Earlier quoted context omitted.
There are two camps: the we-should-just-use-irc camp, and the we-need-every-feature camp. You fall in to the former, and I would bet that a lot of people here fall in to the former. However, many people fall in to the latter, and Slack handily beats the competition there. There is also an element of having nice and polished features baked in that appeals to many people. Want it on your phone? There's an app. Want to…
> There are two camps: the we-should-just-use-irc camp, and the we-need-every-feature camp. I'm firmly in the "email should be used for substantive discussions" camp, but ever since we got the bandwidth and CPU necessary for the internet to not be a primarily text-based medium, the illiterates took over and that was the end of that.
Important/immediate discussions take place in person, or on slack. (Or hipchat or sametime or lync or windows messenger or hoary old ICQ for all I care...)