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I think the world has a ways to go before this technology becomes widespread.
But what strikes me most is its similarity to what is predicted in this Biblical prophecy:
And deceiveth them that dwell on the earth by the means of those miracles which he had power to do in the sight of the beast; saying to them that dwell on the earth, that they should make an image to the beast, which had the wound by a sword, and did live.
And he had power to give life unto the image of the beast, that the image of the beast should both speak, and cause that as many as would not worship the image of the beast should be killed.
Revelation 13:14-15 KJV
If sex robots are one version of these images (or idols), it's also remarkable that people seemingly will worship them voluntarily rather than being forced to do so.
Should you think this would not be "worship", I suggest you reevaluate what that concept means in today's world.
What is it you would die for, give your soul for? That is what you worship.