I was curious about this, and it seems like people have already created drop-in cosmetic uBO filters for Substack: https://ronitray.xyz/writing/clean-substack/

I was curious about this, and it seems like people have already created drop-in cosmetic uBO filters for Substack: https://ronitray.xyz/writing/clean-substack/ https://ronitray.xyz/writing/clean-substack/ I haven't really looked, but I suspect some of the built-in uBO filters might work too.