Did you read the article? Link between sleep / blue light and cancer rates. When dealing with billions of people, small forces can cause big numbers...
Clearly the HN hive-mind agrees with you that I'm being to hyperbolic, but downvotes aside I think there's a strong argument that this is so easy that even a very minor health benefit would mandate adding it to every device everywhere.
Clearly the HN hive-mind agrees with you that I'm being to hyperbolic, but downvotes aside I think there's a strong argument that this is so easy that even a very minor health benefit would mandate adding it to every device everywhere.