I am pretty sure, people who build Facebook or Messenger apps for Android does not use the app. If you use Facebook or Messenger for more than 10 minutes, you w

I am pretty sure, people who build Facebook or Messenger apps for Android does not use the app. If you use Facebook or Messenger for more than 10 minutes, you would find at least 2 very fundamentally wrong bugs. I would have fired most of the developer if I were the CEO of Facebook. They are not competent to work at Facebook