But also large communities are moving into Discord instead of using some public, index-able and findable platforms. They used to be public in the past and people very able to read information about them without going process for creating account, acceptance or even finding whole community.
Discord is terrible for storing long term information in text form. People try to keep some pinned posts but no.. information disappears, when in comparison for forums it was there.
And let's not start with privacy.