They can be, although often community members are willing to do the work for free. An example of this working well is the slatestarcodex community, the blog tha

They can be, although often community members are willing to do the work for free. An example of this working well is the slatestarcodex community, the blog that recently canceled itself because of the NYT piece that was coming out on it. It has a community over at: https://reddit.com/r/slatestarcodex https://reddit.com/r/slatestarcodex and https://reddit.com/r/themotte https://reddit.com/r/themotte That, despite often discussing controversial issues, remains mostly civil and low cruelty.