AI, Robots, Technology, Social Media- Could they be making us Dumb and Unhappy

AI, Robots, Technology, Social Media- Could they be making us Dumb and Unhappy? To consider… If we stop using our brain, it rots away – “Don’t use it you lose it”, and a brain that is not challenged stops growing- “We are either growing or rotting” AND if we are not challenging our brain, if we have no purpose, how can we feel happy?