I guess the problem is twofold: some of your mental faculties rather want to drown in digital distraction while you engage other mental faculties to stop the former

While some people can engage in moderation, abstinence has it's place so that you don't spend double your energy just to stay on track. Imagine someone made a fresh cooked BBQ steak and puts it close to your work place and tells you "it's alright, moderation buddy! Keep working!". So everything has it's place and time, it's usually the blending of different places and times that makes things difficult