Facebookにはどれだけバグがあるのだろうか？

下記の記事が出ている。

　Facebook apologises for storing draft videos users thought they had deleted
　Guardian: 3 April, 2018
　https://www.theguardian.com/technology/2018/apr/03/facebook-apologises-storing-draft-videos-users-thought-deleted-bug-mark-zuckerberg-tim-cook

　Facebook blames bug for saving user's deleted videos
　Tech Crunch: 3 April, 2018
　https://techcrunch.com/2018/04/03/facebook-blames-bug-for-saving-users-deleted-videos/