"Mercy" is a Pro-AI Sci-Fi Thriller that Barely Makes Sense
Even without the messaging, Mercy does not hold up as a movie. It's sloppily done and the mystery doesn’t tie together at the end.

Chris Sullivan (born July 19, 1980) is an American actor and musician. He starred in the NBC drama This Is Us as Toby Damon, for which he received two Primetime Emmy Award nominations. Description above from the Wikipedia article Chris Sullivan, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Even without the messaging, Mercy does not hold up as a movie. It's sloppily done and the mystery doesn’t tie together at the end.
The movie opens with an empty house, cameras pan around from the perspective of what viewers are confused about at first, but turns out to be a spirit living in the home.