Your argument can easily go the other way. What if your app wastes 30 seconds a day for 100k people? By, say, building addictive mobile games, or a social netwo

Your argument can easily go the other way. What if your app wastes 30 seconds a day for 100k people? By, say, building addictive mobile games, or a social network dedicated to watching food pictures, or gambling websites, or, like the parent comment said, throwaway apps.