It might be that he puts things on his resume because at some point in the past he didn't get a job because "you don't know XML." Which is the most brain-screa

It might be that he puts things on his resume because at some point in the past he didn't get a job because "you don't know XML." Which is the most brain-screamingly stupid reason to not hire someone, but the only rational way for a job-seeker to respond is to put nonsense like "XML" on the resume.