Maybe I don't get the joke, but why is this a defense?
(I had a collegue at my last company who worked at Amazon before. His code was just fine.)
(I had a collegue at my last company who worked at Amazon before. His code was just fine.)
That said, I think the interpretation that "he had 3 years experience at a big company, he should have been better" is probably the correct one.
They are so bad that laughing is permissible.
Maybe you just don't spend enough time around arrogant people to interpret this sentence this way :)