Why should genetics play a role here? TVs have only existed for a century. These guidelines might err on the side of caution, but it is a good thing considering how fast screen time among kids is growing, and how little we know about its long-term effects.
These should be universal, even if some culture will first disagree and want to do things differently because they think they know better, in the end it will converge to the same, like it did for lead paint on toys, asbestos in housing, radium-dial watches, thalidomide for morning sickness for pregnant women, X-rays for shoe-fitting, etc.
These should be universal, even if some culture will first disagree and want to do things differently because they think they know better, in the end it will converge to the same, like it did for lead paint on toys, asbestos in housing, radium-dial watches, thalidomide for morning sickness for pregnant women, X-rays for shoe-fitting, etc.