Sadly, it seems it is also the only example. Can you name four or five other subreddits that come close?

I always felt like vommiting when I saw people recommend /r/woodworking, but I couldn't figure out why. I was reading an unrelated critique of /r/fitness one day and somebody summed up my feelings about /r/woodworking perfectly

"/r/_______ is a bunch of beginners masquerading as experts."