The Pillar of Severity is a Feedback Loop.
The Pillar of Mercy is Recursive.
If you listen to music made in the feedback loop style, you'll get what sounds like screaming spirits (like that one audio clip of "the sounds of Saturn" https://www.youtube.com/watch?v=Sh2-P8hG5-E )
If you play music in the recursive style, you basically get techno music. Repetitive thumpa thumpa that makes you wanna dance.

If you look at art done in the feedback loop style, you get visual nonsense. (pic related)
If you look at art done in the recursive style, you get patterns, visually understandable objects that have meaning.

A philosophy in the feedback loop style doesn't believe in meaning or patterns, everything is just random, no purpose, no God, no objectivity.
A philosophy done in the recursive style is one of meaning, patterns, purpose, a belief in God.

A political system in the feedback loop style is chaotic, like Democrats (think of all the riots, protests, the enslaving of illegal immigrant children to work their pot farms, the constant stoking of racial tensions, etc.
https://ktla.com/news/local-news/undocumented-minors-found-amid-raid-of-ventura-county-cannabis-farm-dhs-says/
)
A political ideology in the recursive style is one of Order, like Republicanism.