You have made a good point. I still do wonder what robots are around other than the pet type robots. You have pointed out even these would provide some benefit.
You may be interested in the HAL exoskeleton, for though it is not an autonomous robot it could well be of aid to caregivers who may need to lift and move the incapacitated.
"The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low, and achieving our mark." -- Michelangelo