The only downside is that you've got a real person in your house, but honestly if that's a hangup then you need to suck it up and just do the work yourself.
(2) no "will the cleaner steal my golden watch / company's data" issue - you can always just replay the video and see exactly what the operator was doing / looking at
(3) ability to hire different people remotely - not just cleaners, but maybe repairmen, doctors, chefs, ...
Slap on a VR system to the bot and I am guessing a lot of chores and stuff can be done remotely.
I would imagine a set of ready made extensions for various works, would be helpful as well.