I would think that the other interpretation of this result is just that many engineers suck at writing resumes, which is totally plausible. In fact, one could analyze this in the current data set by looking at the total number of correct predictions versus the different resumes in the set. A well-written resume would then be one which results in correct predictions most frequently. You'd then have two dimensions for…
Since technical writing is part of an engineers job requirements, I would argue that an engineer incapable of writing a decent resume is already at a disadvantage.
Also, a lot of job postings are terribly written, extremely vague or otherwise problematic, so it's not a one-sided problem. It's hard to know if you're meeting the employer's needs when their posting is asking for someone who could engineer a mission to Mars on their lunch break and will work for $50,000 and 1 week of vacation.