You don't understand the situation here, and as someone who has visited the very rice fields this device is used in, I can tell you I've see this first hand. Japan is suffering a crisis right now where young Japanese want to live and work in the city. It is to the point where some small towns will give away houses to young families willing to come to the country side to live and work. There are job opportunities, but no one to fill them. A single person is doing the work of many. Not only are they doing more work, they are well into their 50s some even their 60s, and working all those fields as they age it is going to become harder for them to walk and work all those fields. With this technology it will help them do more with less.
Basically I'm saying... shut the fuck up about something you have no idea about.