It is like meditation because it is self reflection in the form of writing, which it is equivalent to maintaining a journal, which science tell us helps in improving our emotions, and well-being.
This! Our society as a whole push us toward performing aiming to produce more, to consume more again and over again. We don't do things because we like them of we want to have fun. We do these things to perform, gain wealth, visibility, status. Such approach steer us away from the innate human need of exploring, playing and mastering for the sake of it, which, surprise surprise, it is what make human happy.