But if you don't share context you can always blame it on the fact that there was a misunderstanding or that you had so much to do, that you couldn't blablabla.

But if you don't share context you can always blame it on the fact that there was a misunderstanding or that you had so much to do, that you couldn't blablabla. And who is gonna challenge a manager and say that it's his job to prevent misunderstandings by sharing information? The blame game is a great asset when you need to hide incompetence and you are afraid of judgement.