What odd about this job posting is this line: - Background testing in Windows (or other large org) and experience in WTT is highly desired WTT is an internal

What odd about this job posting is this line: - Background testing in Windows (or other large org) and experience in WTT is highly desired WTT is an internal technology. How could you have experinece with it if you hadn't worked in Windows before? Also, the coding here (very possibly in WPF) isn't in Windows itself, its about using WPF to create UX for test tools and test automation.