Earlier quoted context omitted.
I was on the other side of the table: as an interviewer (plus a resume screener). I've seen this before with my own eyes but then my experience is just an anecdote: back in the 1998-2005 era, people keep piling on multiple technologies: C, C++, Java, Perl, XML, XPath, XQuery, XForms, SOAP, etc but whenever I looked into their resume, it becomes quite clear that they "learn" these technologies while working on somethi…
The programming language keyword padding is a response to employers who inexplicably list very specific language and technology demands. You never see a job posting that says: "Wanted someone who's smart, works hard, and ships software". Imagine a want ad for a carpenter: "Home builder wanted. MUST use Makita brand circular saw."
Occasionally I saw ads like that being posted by small game companies/digital marketing companies; they fall under the "fishy/avoid" type of companies.
Luckily the sane/majority of the companies here listed their main preferred technology.