Because if he had he would not be in the place he is now.
what you are saying is its takes too long to answer some request to double check that is what they want.
I do not know the sort of photography you do but if someone emailed you and asked for something to be removed from a pic you would just go ahead and do it?? specially a birth mark, I not talking a thread from a jumper or a piece of hair over the eye??
spike
Actually I'm not even sure that double checking would have got him out of this.
The photographer had in front of him a request to remove the marks on a child's face, presumably with some contact details and (crucially) the wrong file number.
Now if we assume that the parents wouldn't necessarily have been familiar with the file number and the photographer contacts the parents to 'double check'.
The parents (oops wrong customer) would have confirmed their request. Now the photographer could spend loads of time asking searching questions, which just might have raised his suspicions that he was dealing with the wrong file. But, lets say he's processing 1000 images a day and 20 of them have retouching requests - should he spend 2 hrs a day on the phone double and triple checking requests that his customers have made.
This is highly wasteful of his time and rather than giving his customers the impression that he's being careful, would actually raise suspicions that he doesn't have the confidence to run his business.
OTOH, a simple process change to ensure that the correct file number is linked to the correct customer, will solve the problem. No time wasted and no inconvenience for the customer.
Like I said, it's easy to become fixated on the result of this error, rather than the cause. And the DM article as well as many of the responses to this thread have made that 'mistake'.