Just because we can do something doesn't mean we should.
SMFH.

It's gonna take a while for the entirety of robotics to become as potentially destructive as a single atomic bomb, breh. And there's like thousands of those now. This is human nature.
If anything I'd rather have something humanity created living on after we do ourselves in with a nuclear fuckup.
This tech can and has also trickled down to proesthetics. The applications for good far outweigh the bad.
If the singularity does happen, it's more likely to inhabit machines that look nothing like these ones, and will be able to do far more damage crippling our net infrastructure, economies, and military systems than any kind of "body" it could inhabit.