Software has bugs. This is normal
m.signalvnoise.com
m.signalvnoise.com
As for relevancy, I think I'm going to just point people to this article every time one of those issues is raised.
I once witnessed a tester running into the room with his hands waiving above his head holding some papers, screaming over and over again "I found a bug! I found a bug" before he then ran out the room again...