In the future, old ladies will be frightened and harassed from afar with the use of robots. This is preferable to being harassed in person.
The caption didn't say much about this, and I find that it's much more impressive if you just imagine what they're trying to accomplish. It looks like they're doing this so that health professionals truly won't have to interact with the elderly. Maybe so one doctor can walk the halls of 10 different nursing homes from the comfort of her own home.
The antennas at the top of the thing are completely unnecessary, except for the "My Favorite Martian" effect that might help the more mentally-addled patients recognize the unit as something other than the usual orderlies.
And using a massive Gravis Gamethruster Max Pro (or whatever) joystick is also high overkill. Although having a trigger button must make the entire experience even more surreal for both doctor and patient.