It’s an intruiging technology. All it takes to set up is burying a sensor in the plant’s dirt, and it works for living and non-living things alike. Given that the experience is going to be wildly different depending on the plant, it’s not like this would be useful for doing anything with accuracy. But for doing weird, unique things (while fondling plants) it’s perfect.
In this era of Kinect, Wii, and Leap, everyone wants to capitalize on motion control. Disney still likes physical peripherals, like houseplants for example.