I agree. This is one of those things that feels like real science fiction. It feels like the researchers are playing God with parts that they have no idea how they work.
I think I'm in favor of this work, but it is alarming.
Perhaps your subconscious is worried about it's potential when it's inevitably weaponized.
Perhaps you subconsciously misread "programmable orgasm".
Are you a fan of Alien(s)? The first thought that popped up when I read Xenobot is Xenomorph.