1) I wasn't trying to imply that the parsers themselves aren't working but that you might have to debug programs using these parsers more often as its not appar

1) I wasn't trying to imply that the parsers themselves aren't working but that you might have to debug programs using these parsers more often as its not apparent that the issue lies in the input instead of the program having to handle it. 2) Pretentious would be if I liked the color blue and then claimed that "walls should be blue" is a robustness principle.