Perhaps. They can't require them to sign an agreement against the first amendment though, not legal, so I'm not sure. Other than saving time, lawsuits and headache.
Discussion
Stephen Miller just went on CNN claimig that 90% of federal bureacracy employees were aligned with or actively donated to the foreigner Kamala Harris.
These are Trumps political enemies and they need to be removed from government shrewdly.
He lied, first off. There is no evidence of that. In fact, there is little reason to suspect it varies much from the national demographics. It's just a job for 95% of all gov employees.
2nd, while I am all about shrinking government, trying to fire someone for their political beliefs is absolutely disgusting and tyrannical.