I worry about community managers with a leadership complex.
Leadership in itself isn’t terrible. Leaders will often emerge from a community. My worry is specifically community managers acting like leaders
A community manager with a leadership mentality can hurt the community. They tend to predetermine what the community will do, give unsolicited directions (sometimes even as orders), dominate discussions and try to cajole the community into taking actions.
A great facilitator talks to lots of different members, finds out what they want to do, and then rallies them together to achieve that. S/he will find other people to reply to discussions. S/he will identify and work with the top leaders in the community.
It's not a semantic difference, but one that affects many of the actions in the community.