Promising, well-made, yet completely bizarre.
The game feels like a Rick and Morty fever dream, or perhaps an alien's interpretation of human sexuality. Possibly it is a test before we are all fed into the Metaverse where we will serve as human batteries - and arousal will increase our heat transfer coefficient. A hint that Zuckerberg is floating this around the interweb as an early beta / ethnographic study is that everyone, by default, is called Goldberg.
At the end of the day, you will probably spend more time twisting your entire arm and worry that it'll fall off than experience any measure of arousal - let alone satisfaction. I suppose the one being sexually gratified is the Zuck as he fantasizes about this making him even richer.