tl;dr: Nintendo's code is bloated and bad, and all of it gets used. What is not used, is where I put my code, and I call them "hole". There are not many holes, sadly, and such, I cannot put redshift code in there.
The reason it works on boot, is...
So, just curious, but would there be enough space to fix the issue if it was just the redshift settings in its own standalone patcher without any of the screen settings? For me personally, I just want to fix the colors and don't particularly mind...