I think that the advantage in using some kind of instant-message system like Discord/Slack is that you might end up getting a faster response, which is quite he

I think that the advantage in using some kind of instant-message system like Discord/Slack is that you might end up getting a faster response, which is quite helpful when I'm feeling impatient and want my problem to be solved faster. On the other hand, the questions aren't as easily searchable and archived for future people to find.