So many people here who have never actually used a good IBIS system are completely convinced that it wouldn't be beneficial. I'm sure there were a lot of people who were perfectly happy with their horse and buggy and didn't see the need for this new fangled Model-T thing until they actually drove one.
It's true that IBIS is not magical, it won't freeze motion at 1/10th a second so you can't use it to shoot sports, but other than that, it allows you to take more (or better) photos in more situations. You can leave the tripod at home unless you're doing very long exposures (over 1 second), you can forgo flash with slow moving/static subjects. You don't need to hope, pray and lean on something to get a usable shot at a slow shutter speed, you just bring the camera to your eye and take the photo. Additionally, there are many situations where use of a tripod or flash is simply impossible or impractical. Churches, theaters, restaurants, pretty much any crowded pedestrian area, etc.
The only negatives to IBIS seem to be rooted in straight up paranoia, "it's going to make the camera fall apart!" "it's going to make my images blurry!" "it's going to kill battery life!", none of these are real concerns with a well implemented IBIS system, look no further than the current generation Olympus IBIS, which is extremely reliable (at least as reliable if not more so than any OIS I've ever used), even works when you mount it on a tripod w/o turning it off, and is featured in cameras that have comparable battery life to others w/o IBIS in the same class, while OIS drains battery life as well.
Amusingly, the same concerns were raised by Sony NEX users, until they had cameras with IBIS, now IBIS is very much a desirable feature in the Sony camp.
Even if you don't want IBIS and would turn it off, having IBIS would be good for Fuji users as a whole. Fuji could sell more cameras and lenses to more people, which would make them a more stable company, which in turn makes it more likely that they will continue to offer products that you love. As it is currently, there are people like me who are very seriously interested in the Fuji system, but won't switch until they offer IBIS.