Knowing the govt sector, the developers probably got hired 20 years ago and enjoy their stable, chill, even if a bit low pay job. No need to do CV-Driven Development and chase any new trend if the site's running and they're not looking for a new position...
It's what you get, when you scrape the bottom of the barrel with the salaries you are willing to pay. Are you willing to take a 1/3 pay cut for no good reason? You are welcome to work in such positions.