[ekianjo]

Everything is a time waster until you know, investments pays off. Playing an instrument is a time waster until it turns into something you can market. Its difficult to judge future benefits of current actions.

[ionised]

Why does everything have to turn into something you can market?

So you spend a few hours playing games and you have nothing to sell or shill on Hackernews. Is that a problem?

Did you enjoy yourself playing those games? Yes? Then why isn't that enough?

Downtime is important.