OTOH I think that some of the other variants, including shapeshiting into animated objects, while they are just fine mechanically, they make no sense for these classes. But that's because I simply think that a druid is a druid is a druid, even if it lives in town it's just bound to be a nature-driven character, otherwise it's not a druid. A urban druid concept makes no sense to me, unless it's just a druid living in a town. Animated objects have nothing at all to do with a druid.
I can accept the ideas of a urban barbarian or a urban ranger, but not druid...