The risk to this is that your competitors seize the opportunity to criticise your mistakes as if you're hiding them, even if you wrote about them yourself! As s

The risk to this is that your competitors seize the opportunity to criticise your mistakes as if you're hiding them, even if you wrote about them yourself! As such, one justification for keeping problems secret is that your competitors don't know about them. It's unfortunate, as it stops a lot of good-faith collaboration, where strangers will come and offer support.