It establishes procedural crime. Not just “intent to commit crime”. Association with seditious groups, like Communists, is considered a threat to the stability of our nation.
There is little effort made to sniff out Communists, but it can be sufficient grounds for termination with this oath.
The USSR may be gone but global socialists are as united as ever.
The Communists just held May Day illegal immigration rallies in the US.
Yeah, there is no domestic threat anymore. < /sarcasm >
There is a domestic threat. However, requiring someone to sign a piece of paper does nothing whatsoever to combat such threats.
The threats will/would continue no matter what stupid piece of paper or oath one is made to sign.