The website does have some good advice on the matter: They’re completely fake, of course, and would be illegal to use in any situation where you actually have

The website does have some good advice on the matter: They’re completely fake, of course, and would be illegal to use in any situation where you actually have to show ID, but for showing fake cops when they cite fake laws? Nothing more appropriate than fake ID. So, probably not a great idea to show it to a real cop.