Notice that these folks were suspended, not fired.
It is practically impossible for a federal worker to actually be fired. For instance, according to this article from Government Executive the appeal process for federal employees facing disciplinary action can stretch for a year.
No wonder government is as bloated as it is. Hey, it’s only the taxpayer’s money right?
The federal workforce is far too large, it is deeply crony, and it is too expensive. In many respects the current system disrespects the taxpayers who make the federal workforce possible.
(From Government Executive)
Employees can also strike “clean slate” agreements, enabling them to voluntarily leave their agency without any blemishes on their records. HR officials told GAO those agreements, or others that include buyouts or community service, create the perception that employees are avoiding accountability.