Well, in many countries in Europe, and perhaps other parts of the world, it is a very
quick matter to make a phone call to, or access online via Internet,
the vehicle registration authority with a licence plate registration number in hand -
and promptly receive from them the name and address of the vehicle owner
So, this I think is the reason why many automobile photos are edited in this manner.
Good practice IMHO
/Hans in Sweden
I've noticed that some people edit their pictures so their license plate numbers don't show.
I've done the same - but only because I've seen others do it.
How much of a threat is there in having your license plate number shown on a public forum?