Imagine being in a corporate environment trying to implement an OSS into your platform and having to tell your 50 yo teammate: “Oh yeah, just pop in this Discord server real quick to see any relevant info”. Instant credibility loss
The loss of credibility is not because it’s discord,. specifically.
It’s because the project thinks a chat platform is an appropriate way to document a project. I would feel the same way if someone told me to get on IRC for docs, or Slack.
I’ve literally never seen a project remotely interesting that has their documentation on discord
Revanced was one. Good thing they wisen up and have documentations now, though it’s just a set of .md files in their git repo.
To be fair, I could say the same, but is probably a biased sample.
I have other red flags, like only distributing on docker, that I’ve tried, and tried again, and found that it’s a sign of a badly run project. But I can’t state any confidence on the discord based rule, because I’ve never tried to make any run.