Let's do a little experiment:
>"As we've seen around the world in recent years, social media can be a major forum for terrorist sentiment and activity. This will be a vital tool to screen out terrorists, public safety threats, and other dangerous individuals from gaining immigration benefits and setting foot on US soil."
Now, we do some very simple replacement:
>"As we've seen around the world in recent years, social media can be a major forum for communist sentiment and activity. This will be a vital tool to screen out communists, public safety threats, and other dangerous individuals from gaining immigration benefits and setting foot on US soil."
If it's good enough for McCarthy, it's good enough for me.