I understand that it was part of Chowhound but there was a less than amicable split several years ago. I find more Milwaukee discussions there than here, covering more topics. There is an active group on there that includes an upcoming meetup at Ono kin grinz. Apparently arranging meetups like this was against the Chowhound rules at one time (or so I was told) that led to the split.
I have met a couple professional food writers from that group, arranged a Milwaukee tour of the northside hangouts of mine, etc.
I now watch both groups.