Yup, it's been a problem ever since Regan (a Republican) fired over 11,000 ATC employees. And by "anyone" ITYM "republicans" again, because Democrats have been trying for years.
See this article from 2017: https://www.govexec.com/oversight/2017/06/house-democrats-in...
How many years since Reagan have Democrats held both chambers of Congress and the White House? It’s a few. And yet we’re still here.