The digital world makes it easier for us to have functioning long-distance relationships, but even facetiming doesn't have the visceral quality of hugging someone. Sometimes you just need to know you can reach out and squeeze your loved one. What a cute sentiment, but who wants a light shining right on their face as they're trying to sleep? How annoying is that? Couldn't they just make the pillow get warmer or something? "Honey, can you wake up? You're keeping me up with this freaking light." Even worse if they toss and turn.
You'll know you have to be nervous when your pillow is strobing. That means your partner is getting pounded good. I guess they didn't think about the negative implications of this tool. It's a spy device. You'll know when your partner is cheating or being lazy.