Really? Organized crime also produces fake documents, and they are sold/smuggled to independent actors constantly.
Plus, identity theft is not an uncommon crime.
And what difference does that make - Really?
it increases the cost for the attacker, forging ID is expensive and against the law. It also leaves behind additional evidence that might be useful to investigators
The attacker wasn’t a random kid having fun. If they have the resources to do this kind of attack, they can definitely forge IDs.