This seems more like a chromatic aberration "hack" for HDR landscapes (intensely-lit portions of the scene would have color fringing apparent at the boundaries of light/dark due to dispersion in the observer's lens).
(And it's def a style choice, looks cool when done right! :))
(And it's def a style choice, looks cool when done right! :))
https://en.wikipedia.org/wiki/Chromatic_aberration