There’s a timestamp on them, but I put 01/07/2020 on my last entry. Also, I don’t see any rules on diaries. Should they just be anything I want or do they have to be OSM-related in some way?

dear diry today i am discover the open street map diary feature why do this exist? is this published to the whole world? what is the point of this? am i supposed to like write down how i feel about life in general