Not sure as to riding a fat bike in snow, but they are becoming a favorite down in sunny FL. You see them quite often, even in the many Hash Rides they have down there. If anyone has done a real FL Hash Ride, then you know what I mean. That is real damned tough. See them on the dirt trails more and more as well. Excellent bike for the beaches though, and not really slow and clumsy as so noted above, though not in sugar sand or beach sand, nor any FL terrain I have seen them conquer… 😆
They are far from being a slow bike as well, they are very fast cruisers. I do think they have a clumsy turn ratio though. Damn near of crash a few times on one in tight and sharper turns on dirt or pavement.