Your attention may be your most precious resource, and you only have so much of it to spread around each day.
Work and social obligations demand a portion of it. And it’s easy to occupy whatever is left over with stimuli of one kind or another—whether it’s listening to a podcast or watching a show. For many people, time spent in the shower or trying to fall asleep at night may be the only remaining scraps of the day when their mind is wholly free to wander.
None of this may seem like a problem. After all, why waste time doing nothing when you could be doing something fun or productive? As long as you’re occupying your mind with (mostly) high-quality content, what’s the harm?