Like all elements of hue system, the bloom is quality from start to finish: Packaging, the object, the super easy installation, rendering. So yes, it's expensive (especially the starter kit that gives the impression the bridge is too expensive), yes that's gadget ... but the result is convincing to give an atmosphere to a room.
In addition, with all the apps available for piloting a hue system, the possibilities are numerous: the utility, fun, creative datmosphère from simple lighting ... one system, many uses (potentially combined).