I don’t think you understand how the redshift app works then? It’s not meant to stop bright lights, it is meant to remove blue light to mimic the light of evenings

Definitely disagree, dark mode doesn’t change the temperature of other things you are viewing such as images and video

All HTTP requests include your ip address, you don’t “consent” to giving it to anybody. You can geolocate somebody based on ip address but it won’t be very accurate