In economic theory, the "opportunity cost" of any choice is the gain that the best alternative choice would have given.

Young people do not realize how high the opportunity cost is of wasting an hour browsing toxic, "curated reality" microblogging media. There are so many other ways to experience the same level of enjoyment while also accomplishing something that will change your tomorrrows for the better. In addition, there are ways to work, and work, while often less pleasant in the moment than pure recreation, can give you the joy of accomplishment and of service to others, high self esteem, and money and power with which you can make a positive difference in the world.