Thanks for sharing your thoughts. I really enjoyed reading this and I agree, I like to think about how a game, or really any piece of art, made me feel rather than finding some objective truth. And that feeling comes from many factors both on the surface and through the players own experience in life.
The screen tearing was intentional. It's interesting to explore "engine glitches" as a material for art. Z-fighting, low framerates, boundary breaking, etc. Lots of interesting applications to explore (I'm sure you're familiar with Yuha's Nightmares which is also doing this on a larger scale)