Ultimately, however, the user isn’t concerned with the causes of bugs, only that they happen. And when the bugs cause problems or crashes, users stop using new features, or the product entirely. “It teaches you shyness—[users] are afraid to try things because the machine will ‘punish you,’” [Wil] Shipley said.
‘Wil Shipley: “we tried to do too much” for Delicious Library 2‘, by Chris Foresman, September 1st, 2010

I like how Wil describes a shyness people develop with computers from their frustrations and bad experiences.