Our teams have found that it gets things done with the basics, but has no advanced anything. Chat is OK, video is OK, Files is OK, Channels are OK. But they are all basic. Things like wikis or anything more advanced is very primitive.

Plus of course some things like File are a thin facade over the horror that is Sharepoint, and you occasionally have to drop down into that swamp.

So not a horror show to me, but feels like ten years out of date or more.