Earlier quoted context omitted.
For every one of them, there are 100 people in the pipeline who can tell you in great detail how brilliant the last project they worked on is but can't write a lick of code.
And if you couldn’t figure that out doesn’t that say a lot about your interviewing process.
Me (who has written my share of Y): "Sure, that'll be fine. Y should be installed."
He proceeded to take 30 minutes to not produce anything resembling X or Y. It was agonizing.