They could be babies, those little homunculi, pushed around in kiddie-karts by Google staff. You can't see the high-bandwidth comms, the data links ferrying every perception and mewling cry to DeepMind's server farms.
The situated cognition people were right.
To be human-smart is to participate wholly in human society.
Reading millions of files off the Internet just doesn't hack it for artificial general intelligence.
HUM∀NS's 'synths' and Westworld's 'hosts' were the way to go.
Google is betting that body research will track mental development. When they need their baby-synths to toddle around, the batteries and artificial muscles will be there.
Adolescence is going to be the tricky one.