It seems that with things like ticket there should be explicit "as in passport" instructions. Not that people will follow those...
One of my passports has my name like that, the other is first middle1 last, so even between passports its not the same, as one of them drops one of my middle names.
About government IDs and reducing people to numbers, most of the threads here are already giving them for granted. We are a number once we're in a database.