If a blog post doesn't meet the criteria now all if a sudden it's not allowed to exist? And who am I to decide if something I write will be useful or interestin

If a blog post doesn't meet the criteria now all if a sudden it's not allowed to exist? And who am I to decide if something I write will be useful or interesting to someone else? The world will always have too much information. The trick is filtering the information, not withholding it.