You definitely have something strange going on there. Mine works, sort of, with models. It's just too slow to make a successful detection even though it shows detections in "tuning". Maybe it's time for me to upgrade to a new machine for BI.
If its too slow, it won't mark it as a successful detection? I've seen cases where it also works in the "tuning" but doesn't detect live, I was thinking the "tuning" feature was just sending more frames or something but maybe its a slowness/timeout issue as well for me as well in those cases.